Հոդված 1073 V.M. Aroutiounian V.M. Arakelyan G.E. Shahnazaryan M.S. Aleksanyan K. Hernadi Z. Nemeth P. Berki Z. Papa Z. Toth L. Forro Advances in Nano Research v. 3, N 1 1-11 2015 http://www.techno-press.org/?journal=anr&subpage=1