by SERGEEVA SOFYA N,SU, DADOYAN VANIK A,SU, SAAKYAN PAVEL S,SU, VUKHRER VIKTOR G,SU, KHACHATRYAN SARIBEK S,SU, BARSEGYAN VASIL L,SU
Year of Publication 07.09.1980

by SERGEEVA SOFYA N,SU, ERITSYAN VOLODYA K,SU, ISAKHANOVA LAURA P,SU, KHACHATRYAN SARIBEK S,SU, BOYADZHYAN VARAZDAT K,SU, BADALYAN VAZGEN E,SU
Year of Publication 15.01.1980

by SERGEEVA SOFYA N,SU, ERITSYAN VOLODYA K,SU, MARTIROSYAN ZHIRAJRIK G,SU, AJVAZYAN GAGIK I,SU, KHACHATRYAN SARIBEK S,SU, BOYADZHYAN VARAZDAT K,SU, BABAYAN STEPAN G,SU, BEGLARYAN ALIK A,SU
Year of Publication 23.03.1982