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\markboth{\rm \it Participants}{\rm \it Participants}

\twocolumn[\centerline{\bf ADDRESSES OF PARTICIPANTS} \vspace{2cm}]
{\small
%\begin{itemize}
\begin{enumerate}

\item Abatsidis Markos\\
      $12^{th}$ Lykion Peristeriou,\\
      Ag. Anastasias \& Tilemachou Str.\\
      GR-12136, Peristeri (Athens), Greece\\

\vspace*{-0.5cm}
\item Alevizos Aristeidis\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\

\vspace*{-0.5cm}
\item Anagnostopoulos George\\
      Demokritos University of Thrace,\\
      GR-67100 Xanthi, Greece\\
      E-mail: anagnosto@xanthi.cc.duth.gr

\item Anastasiadis Anastasios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: anastasi@astro.auth.gr

\item Anastasiou Haralambos\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: hanastas@atlas.uoa.gr

\item Andersson Nils\\
      University of Wales College of Cardiff,\\
      Department of Physics and Astronomy,\\
      P.O. Box 913, GB-Cardiff CF2 3YB, U.K.\\
      E-mail: N.Anderson@astronomy.cardiff.ac.uk

\item Anisiu Mira-Cristina\\
      Mathematical Institute, Ciresilor Str. 19,\\
      P.O. Box 68,\\
      RO-3400, Cluj-Napoca, Romania\\
      E-mail: ubbmail@utcluj.ro
 
\item Antonopoulou Evgenia\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: eantonop@atlas.uoa.gr

\item Apostolatos Theoharis\\
      Krinon 4,\\
      GR-15772 Zografos\\
      Athens, Greece\\
      E-mail: taa@gravi.physik.uni-jena.de

\item Archonti Asimina\\
      El. Venizelou 34,\\
      GR-13231 Petroupoli (Athens), Greece\\

\vspace*{-0.5cm}
\item Arsenijevic Jelisaveta\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: lpopovic@aob.aob.bg.ac.yu

\item Avgoloupis Stavros\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: avgoloup@astro.auth.gr

\item Barbanis Vasilios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: barbanis@astro.auth.gr

\item Belehaki Anna\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: belehaki@thission.iisr.noa.gr

\item Bellas-Vellidis Ioannis\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: ibella@leon.nrcps.ariadne-t.gr

\item Blaga Christina\\
      Astronomical Observatory, Ciresilor Str. 19, P.O. Box 68,\\
      RO-3400, Cluj-Napoca, Romania\\
      E-mail: ubbmail@utcluj.ro

\item Bozis Georgios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: gbozis@ccf.auth.gr

\item Bucur-Drugan Alexandru\\
      Astronomical Observatory, Ciresilor Str. 19, P.O. Box 68,\\
      RO-3400, Cluj-Napoca, Romania\\
 
\item Budourides Athanasios\\
      Boston University,\\
      Department of Astronomy\\
      725 Commonwealth Ave.,\\
      Boston, MA 02215, U.S.A.\\
      E-mail: thanasis@buast7.bu.edu 

\item Burs Lucian\\
      Astronomical Observatory,\\
      Piata Axente Sever Nr. 1,\\
      RO-1900 Timisoara, Romania\\

\item Caranikolas Nikolaos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: caranic@astro.auth.gr

\item Charmandaris Vassilis\\
      Service d' Astrophysique,\\
      CEA-SACLEY\\
      Ormes des Merisiers-bat. 709,\\
      F-91191 Gif-Sur-Yvette Cedex, France\\
      E-mail: vassilis@ariane.sacley.cea.fr

\item Chatzichristou Eleni\\
      Leiden University\\
      Postbus 9513\\
      NL-2300 Leiden, The Netherlands\\
      E-mail: chatzich@strw.leidenuniv.nl

\item Chatzopoulos George\\
      Erythreas 10\\
      GR-63079 Nea Trigglia, Chalkidiki, Greece\\

\item Chrysovergis Michael\\
      $4^{th}$ Gymnasium P. Falirou,\\
      Terpsitheas 35\\
      GR-17563 P. Faliro, Greece\\

\item Contadakis Michael\\
      Aristotle University of Thessaloniki,\\
      Department of Geodesy and Surveying,\\
      GR-54006 Thessaloniki, Greece\\
      E-mail: kodadaki@vergina.eng.auth.gr

\item Contopoulos George\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: contop@atlas.uoa.gr

\item Contopoulos John\\
      Astronomy and Astrophysics Center,\\
      University of Chicago\\
      5640 South Ellis Ave.,\\
      Chicago IL 60637, U.S.A.\\
      E-mail: conto@rosserv.gsfc.nasa.gov

\item Daglis Ioannis\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: daglis@thission.iisr.noa.gr

\item Damljanovic Goran\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: gdamljanovic@aob.aob.bg.ac.yu

\item Danezis Emmanuel\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: edanezis@atlas.uoa.gr

\item Dapergolas Anastasios\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: ekonti@leon.nrcps.ariadne-t.gr

\item Dimitrijevic Milan\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: mdimitrijevic@aob.aob.bg.ac.yu

\item Drilia Georgia-Athanasia\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: sdrilia@atlas.uoa.gr

\item Efthymiopoulos Christos\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: cefthim@atlas.uoa.gr

\item Eigenson Aleksei\\
      Astronomical Observatory,\\
      Lviv State University,\\
      Kyryla ta Mephodia Str. 8\\
      Lviv 290005, Ukraine\\
      E-mail: eig@astro.lviv.ua

\item Els\"asser Hans\\
      Max-Planck-Institut f\"ur Astronomie\\
      K\"onigstuhl 17\\
      D-69117 Heidelberg, Germany\\

\item Erkapic Sanja\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: serkapic@aob.aob.bg.ac.yu

\item Fragoulopoulou Emmanouela\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: elivan@atlas.uoa.gr

\item Georganopoulos Markos\\
      Boston University,\\
      Department of Astronomy\\
      725 Commonwealth Ave.,\\
      Boston, MA 02215, U.S.A.\\
      E-mail: markos@qjet.bu.edu

\item Georgantopoulos John\\
      University of Leicester,\\
      Department of Physics\\
      X-ray Astronomy Group,\\
      GB-LEI 7RH Leicester, UK\\
      E-mail: igeorgan@cc.uoi.gr

\item Georgoulis Manolis\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: georgoul@astro.auth.gr

\vspace*{0.5cm}
\item Glinos Georgios\\
      University of Ioannina, P.O. Box 1186\\
      GR-45110 Ioannina, Greece\\
      E-mail: hemiko@cc.uoi.gr

\vspace*{0.5cm}
\item Gouliermis Dimitrios\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: dgoulier@atlas.uoa.gr

\item Graos Ferraios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: graos@astro.auth.gr

\item Grigorelis Floros\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\

\item Grousouzakou Evaggelia\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: hskokos@atlas.uoa.gr

\item Hadjidemetriou John\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: hadjidem@ccf.auth.gr

\item Hadjifotinou Ekaterini\\
      Aristotle University of Thessaloniki,\\
      Department of Mathematics,
      Section\\ of Computer Sciences and Mathematical Analysis,
      GR-54006 Thessaloniki, Greece\\
      E-mail: hadjifotinou@ccf.auth.gr

\item Hantzios Panagiotis\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: ekonti@leon.nrcps.ariadne-t.gr

\item Harsoula Maria\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: mharsoul@atlas.uoa.gr

\item Hiotelis Nikolaos\\
      El. Venizelou 12,\\
      GR-19500 Lavrio, Greece\\

\item Jovanovic Bozidar\\
      Faculty of Agriculture,\\
      Water Arranging Institute\\
      8, Trg Dositeja Obradovica\\
      YU-210 00 Novi Sad, Yugoslavia\\
      E-mail: jvbzd@uns.ns.ac.yu

\item Kakouris Alexander\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: akakour@atlas.uoa.gr

\item Kalinkov Marin\\
      Institute of Astronomy,\\
      Bulgarian Academy of Sciences\\
      72 Tsarigradsko Chausse\\ 
      BG-1784 Sofia, Bulgaria\\
      E-mail: markal@bgearn.bitnet

\item Kalogera Vasiliki\\
      University of Illinois at Urbana-Champaign\\
      103 Astronomy Bldg.,\\
      1002 West Green St.,\\
      Urbana, Illinois, 61801, U.S.A.\\
      E-mail: vicky@astro.uiuc.edu

\item Kalvouridis Tilemachos\\
      National Technical University of Athens\\
      General Department,\\
      Section of Mechanics,\\
      GR-15773 Zografos, Athens, Greece\\
      E-mail: telkal@central.ntua.gr

\item Kanavos Spyros\\
      University of Patras, Department of \\
      Engineering Science, Section of\\ 
      Applied Mathematics and Mechanics\\
      GR-26110 Patras, Greece\\
      E-mail: S.Kanavos@des.upatras.gr

\item Karanikola Irene\\
      Demokritos University of Thrace,\\
      GR-67100 Xanthi, Greece\\
      E-mail: anagnosto@xanthi.cc.duth.gr

\item Kazanas Demos\\
      NASA, Goddard Space Flight Center\\
      Code 665, Greenbelt, Maryland, U.S.A.\\
      E-mail: kazanas@theavx.gsfc.nasa.gov

\item Kleidis Konstantinos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: kleidis@astro.auth.gr

\item Kokkotas Konstantinos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: kokkotas@astro.auth.gr

\item Kolokotronis Vaggelis\\
      Queen Mary and Westerfield College,\\
      Astronomy Unit, Mile End Road,\\
      London E1 4NS, England\\
      E-mail: E.Kolokotronis@qmw.ac.uk

\item Kontizas Evaggelos\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: ekonti@leon.nrcps.ariadne-t.gr

\item Kontizas Mary\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: mkontiza@atlas.uoa.gr

\vspace*{0.5cm}
\item Kotta Dinysia\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: pniarcho@atlas.uoa.gr

\vspace*{0.5cm}
\item Kuneva Iliana\\
      Institute of Astronomy,\\
      Bulgarian Academy of Sciences\\
      72 Tsarigradsko Chausse\\ 
      BG-1784 Sofia, Bulgaria\\
      E-mail: markal@bgearn.bitnet

\item Kylafis Nikolaos\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: Kylafis@physics.uch.gr

\item Laskarides Pavlos\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: plaskar@atlas.uoa.gr

\item Laskaroudi Chrysoula\\
      Konstantinoupoleos 39\\
      GR-57019 N. Epivates, Greece\\

\item Laskaroudis Demetrios\\
      Konstantinoupoleos 39\\
      GR-57019 N. Epivates, Greece\\

\item Lazarides Emannuel\\
      Engel \& Partner,\\
      Postfach 61,\\
      CH-9326 Horn, Switzerland\\

\item Maindl Thomas\\
      Institut f\"ur Astronomie \\
      der Universit\"at Wien\\
      T\"urkenschonzstrasse 17,\\
      A-1189 Wien, Austria\\
      E-mail: maindl@astro.ast.univie.ac.at

\item Manimanis Vassilios\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: pniarcho@atlas.uoa.gr

\item Manolakou Konstantina\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: manolaku@astro.auth.gr

\item Manousaridou Evgenia\\
      Filota 1\\
      GR-59100 Veroia, Greece\\

\vspace*{-0.5cm}
\item Maragoudaki Fotini\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: fmarag@atlas.uoa.gr

\item Maravelias Stergios\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: mkontiza@atlas.uoa.gr

\item Marhavilas Panagiotis\\
      Demokritos University of Thrace,\\
      Section of Telecommunications \& Space Physics\\
      GR-67100 Xanthi, Greece\\
      E-mail: marhavilas@xanthi.cc.duth.gr

\item Markovic Snezana\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: smarkovic@aob.aob.bg.ac.yu

\item Mathioudakis Michael\\
      Stavrakia,\\
      GR-70013 Heraklion, Crete, Greece
      E-mail: M.Mathioudakis@Queens-Belfast.ac.uk

\item Mavraganis Anastasios\\
      National Technical University of Athens\\
      General Depatment,\\
      Section of Mechanics,\\
      GR-17773 Zografos, Athens, Greece\\
      E-mail: tamavra@central.ntua.gr

\item Mavridis Lyssimachos\\
      Aristotle University of Thessaloniki,\\
      Department of Geodesy and Surveying,\\
      GR-54006 Thessaloniki, Greece\\
      E-mail: mavridis@vergina.eng.auth.gr

\item Mavrogiannis Markos\\
      Research Center for Astronomy\\ and Applied Mathematics\\
      Academy of Athens, Anagnostopoulou 14\\
      GR-10673 Athens, Greece\\

\vspace*{-0.5cm}
\item Mavromihalaki Helen\\
      University of Athens, Department of Physics\\
      Section of Nuclear Physics and Physics of Elementary Particles\\
      Solonos 104, 
      GR-10680 Athens, Greece\\
      E-mail: emavromi@atlas.uoa.gr

\item Metsinis Aristotelis\\
      University of Athens, \\
      Department of Mathematics\\
      GR-15772 Athens, Greece\\

\vspace*{-0.5cm}
\item Mitrou Kassios\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: kmitrou@atlas.uoa.gr

\item Mylonas Nikolaos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: mylonas@astro.auth.gr

\item Niarchos Panagiotis\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: pniarcho@atlas.uoa.gr

\item Nickas George\\
      Hanover College, P.O. Box 108\\
      Hanover, Indiana 47243, U.S.A.\\
      E-mail: nickas@alpha.hanover.edu

\item Nikolik Silvana\\
      Petnica Science Centre, P.O. Box 40,\\
      YU-14000 Valjevo, Yugoslavia\\
      E-mail: enikolsi@ubbg.etf.bg.ac.yu

\item Nikolis Gregory\\
      Vrije Univerit\"at Brussels, Pleinlaa 2, Tena,\\
      B-1050 Brussels, Belgium\\
      E-mail: gnicolis@ulb.ac.be

\item Pantazis George\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: pniarcho@atlas.uoa.gr

\item Papadakis Constantinos\\
      University of Patras, Department of \\
      Engineering Science, Section of\\ 
      Applied Mathematics and Mechanics \\
      GR-26110 Patras, Greece\\
      E-mail: K.Papadakis@des.upatras.gr

\item Papadopoulos Dennis\\
      University of Maryland,\\
      Astronomy Program,\\
      College Park, MD 20742, USA\\
      E-mail: jhall@avl.umd.edu

\item Papadopoulos Dimitrios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: papadop@astro.auth.gr

\item Papageorgiou Christos\\
      Pl. Agiou Georgiou 3\\
      GR-54635 Thessaloniki, Greece\\

\item Papaloizou J.C.B.\\
      Queen Mary and Westerfield College (Maths)\\
      Mile End Road,\\
      London E1 4NS, United Kingdom\\
      E-mail: jcbp@maths.qmw.ac.uk 

\item Papamastorakis John\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: papamast@physics.uch.gr

\item Papathanasiou Hara\\
      Pennsylvania State University,\\
      525 Davey Lab,\\
      University Park, PA 16802, U.S.A. \\
      E-mail: hara@astro.psu.edu

\item Patsis Panos\\
      Max-Planck-Instit\"ut f\"ur Astronomie\\
      K\"onigstuhl 17\\
      D-69117 Heidelberg, Germany\\
      E-mail: patsis@mpia-hd.mpg.de

\item Pavlakis Constantinos\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: pavlakis@physics.uch.gr

\item Pavlos George\\
      Demokritos University of Thrace,\\
      GR-67100 Xanthi, Greece\\
      E-mail: pavlos@xanthi.cc.duth.gr

\item Pavlovic Rade\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: rpavlovic@aob.aob.bg.ac.yu

\item Perdios Efstathios\\
      University of Patras, Department of \\
      Engineering Science, Section of\\ 
      Applied Mathematics and Mechanics \\
      GR-26110 Patras, Greece\\
      E-mail: E.Perdios@des.upatras.gr

\item Persides Sotirios\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: persides@astro.auth.gr

\item Plionis Emmanuel\\
      National Observatory of Athens,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: plionis@tsmi19.sissa.it

\item Polatidis Antonios\\
      Onsala Space Observatory,\\
      S-43992 Onsala, Sweden\\
      E-mail: apolatid@oso.chalmers.se

\item Polygiannakis John\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: ipolig@atlas.uoa.gr

\item Popovic Georgije\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: gpopovic@aob.aob.bg.ac.yu

\item Popovic Luka\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: lpopovic@aob.aob.bg.ac.yu

\item Preka-Papadima Panagiota\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: ppreka@atlas.uoa.gr

\item Psaltis D.\\
      University of Illinois at Urbana-Champaign\\
      103 Astronomy Bldg.,\\
      1002 West Green St.,\\
      Urbana, Illinois, 61801, U.S.A.\\
      E-mail: demetris@astro.uiuc.edu

\item Rafios Xenophon\\
      University of Athens, Department of Physics\\
      Section of Nuclear Physics and Physics of Elementary Particles\\
      Solonos 104\\
      GR-10680 Athens, Greece\\
      E-mail: emavromi@atlas.uoa.gr

\item Rovithis-Livaniou Helen\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: elivan@atlas.uoa.gr

\item Sadzakov Sofija\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: ssadzakov@aob.aob.bg.ac.yu

\item Sakellariadou Mary\\
      Institut f\"ur Theoretische Physik\\
      der Universit\"at Z\"urich\\
      Z\"urich 8057, Switzerland\\
      E-mail: sakellar@physik.unizh.ch

\item Sarafopoulos Demetrios\\
      Demokritos University of Thrace\\
      Department of Electrical Engineering\\ and Computer Mechanics,
      Section of\\ Telecommunications and Space Sciences,\\
      GR-67100 Xanthi, Greece\\
      E-mail: sarafo@xanthi.cc.duth.gr

\item Savopulos Michael\\
      Tselepi 25,\\
      GR-54352 Thessaloniki, Greece\\
      E-mail: guest1@astro.auth.gr

\vspace*{0.5cm}
\item Seiradakis John Hugh\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: jhs@astro.auth.gr

\vspace*{0.5cm}
\item Solomos Nikolaos\\
      Physics Laboratory, Hellenic Naval Academy\\
      GR-18503 Piraeus, Greece\\
      E-mail: nsolom@leon.nrcps.ariadne-t.gr

\item Spyrou Nikolaos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: spyrou@astro.auth.gr

\item Stathopoulou Maria\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: mstathop@atlas.uoa.gr

\item Stavinschi Magdalena\\
      Astronomical Institute of the Romanian Academy,\\
      RO-75212 Bucharest, Romania\\
      E-mail: mstavinschi@imar.ro

\vspace*{0.5cm}
\item Stavliotis Haralambos\\
      University of Patras, Department Physics\\
      GR-26110 Patras, Greece\\
      E-mail: cstavlio@physics.upatras.gr

\item Szenkovits Ferenz\\
      Astronomical Observatory, Ciresilor Str. 19, P.O. Box 68,\\
      RO-3400, Cluj-Napoca, Romania\\
      E-mail: ubbmail@utcluj.ro

\item Taramopoulos Athanasios\\
      Ag. Triados 31,\\
      GR-54640 Thessaloniki, Greece
      E-mail: ttar@astro.auth.gr

\vspace*{0.5cm}
\item Theodosiou Efstratios\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: etheodos@atlas.uoa.gr

\item Tomboulides Hariton\\
      Emiliou Veaki 9\\
      GR-59200, Naoussa, Greece\\

\item Trajkovska Veselka\\
      Astronomical Observatory, Volgina 7\\
      YU-11050 Belgrade, Yugoslavia\\
      E-mail: vtrajkovska@aob.aob.bg.ac.yu

\item Tsagouri Ioanna\\
      University of Athens, Department of Physics\\
      Section of Nuclear Physics and Physics of Elementary Particles\\
      Solonos 104\\
      GR-10680 Athens, Greece\\
      E-mail: emavromi@atlas.uoa.gr

\item Tsakmaki Paraskevi\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail:  tsakmaki@rea.edu.physics.uch.gr

\item Tsinganos Kanaris\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: tsingan@physics.uch.gr

\item Tsiropoula Georgia\\
      National Observatory of Athens\\
      Ionospheric and Space Sciences Institute,\\
      P.O. Box 20048,
      GR-11810, Athens, Greece\\
      E-mail: georgia@thission.iisr.noa.gr 

\item Tsvetkov Milcho\\
      Institute of Astronomy,\\
      Bulgarian Academy of Sciences\\
      72 Tsarigradsko Chausse\\
      BG-1784 Sofia, Bulgaria\\
      E-mail: tsvetkov@bgearn.bitnet

\item Tsvetkova Katya\\
      Institute of Astronomy,\\
      Bulgarian Academy of Sciences\\
      72 Tsarigradsko Chausse\\
      BG-1784 Sofia, Bulgaria\\
      E-mail: katya17@bgearn.bitnet

\item Valtchanov Ivan\\
      Institute of Astronomy,\\
      Bulgarian Academy of Sciences\\
      72 Tsarigradsko Chausse\\
      BG-1784 Sofia, Bulgaria\\
      E-mail: valtch@bgearn.bitnet

\item Van Dessel Edwin\\
      Observatoire Royal de Belgique,\\
      Avenue Circulaire 3\\
      B-1180 Bruxelles\\
      E-mail: evdes@oma.be

\item Varvoglis Haralambos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: varvogli@astro.auth.gr

\item Ventura Iosif\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: ventura@physics.uch.gr

\item Vilchez Jose M.\\
      Instituto de Astrofisica de Canarias\\
      La Laguna, Tenerife\\
      E-38200 Islas Canarias, Spain \\
      E-mail: jvm@ll.iac.es

\item Vlahos Loukas\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: vlahos@astro.auth.gr

\item Voglis Nikolaos\\
      University of Athens, Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-15783 Athens, Greece\\
      E-mail: nvogl@atlas.uoa.gr

\item Voyatzis George\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: voyiatzis@ccf.auth.gr

\vspace*{0.5cm}
\item Vozikis Christos\\
      Aristotle University of Thessaloniki,\\
      Department of Physics,\\
      Section of Astrophysics, Astronomy and Mechanics,
      GR-54006 Thessaloniki, Greece\\
      E-mail: chriss@astro.auth.gr

\item Wielebinski Richard\\
      Max-Planck-Institut f\"ur Radioastronomie\\
      Auf dem H\"ugel 69\\
      D--53121 Bonn, Germany\\
      E-mail: p022rwi@mpifr-bonn.mpg.de

\item Xanthopoulos Emily\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: emily@physics.uch.gr 

\item Xilouris Kiriaki\\
      Cornell University, Arecibo Observatory,\\
      P.O. Box 995\\
      Arecibo 00613, Puerto Rico\\
      E-mail: kiriaki@naic.edu

\item Xilouris Manolis\\
      University of Crete, Department of Physics\\
      Section os Astrophysics \& Space Sciences\\
      GR-71409 Heraklion, Greece\\
      E-mail: xilouris@physics.uch.gr 

\item Yatsyk Olga\\
      Astronomical Observatory,\\
      Lviv State University,\\
      Kyryla ta Mephodia Str. 8\\
      Lviv 290005, Ukraine\\
      E-mail: yatsyk@astro.lviv.ua

\item Zafeiropoulos Vasilios\\
      University of Patras, Department Physics\\
      GR-26110 Patras, Greece\\
      E-mail: cstavlio@physics.upatras.gr

%\end{itemize}
\end{enumerate}
}
\end{document}
