Jankovic D . Nebojsa   Professor   janko@elfak.ni.ac.yu projects publications cv Pantic S. Dragan   Professor   panta@elfak.ni.ac.yu projects publications cv Pesic Tatjana   Assistant   tatjana@elfak.ni.ac.yu projects publications cv Jovanovic Elva   Research associate   elva@elfak.ni.ac.yu projects publications cv