by ARSHAKYAN ANDRANIK V,SU, GASPARYAN ASHOT YU,SU, KARAPETYAN BARSEG B,SU, GASPARYAN YURIJ A,SU, GASPARYAN BAGRAT YU,SU, BARDUGIMEOSYAN ARAM R,SU, MARGARYAN SAMVEL A,SU
Year of Publication 15.04.1990