Activity of the Group for Astrophysical Spectroscopy - GAS Luka Č. Popović Astronomical Observatory, Belgrade, Serbia Four projects financed by Ministry of education and…
Ivan Melo (University of Žilina) on behalf of František Franko (Prešov) and Alexander Dirner (Košice) Astronomy Masterclasses 2006 in Prešov, Slovakia [email protected],…