Author(s):
1. Ljubica Brenjo, Serbia
2. Olivera Klisurić, University of Novi Sad, Faculty of Sciences, Department of Physics, Trg Dositeja Obradovića 4, Novi , Serbia
3. Jovica Nešić, Serbia
4. Niko Radulović, Serbia
5. Srđan Bjedov, Serbia
6. Aleksandar Oklješa, Univerzitet u Novom Sadu, Prirodno-matematički fakultet, Departman za fiziku, Serbia

Applied paper from author