by AMROYAN PETIK A,SU, AMBARTSUMYAN SERGEJ A,SU, USHKOV VALENTIN A,SU, ABRAMOV VLADIMIR S,SU, BADEYAN GAGIK V,SU, DANILOV NIKOLAJ N,SU
Year of Publication 15.03.1991

by RYVKIN ERNST A,SU, AMBARTSUMYAN SERGEJ A,SU, USHKOV VALENTIN A,SU, GORILKO GENADIJ I,SU, ABRAMOV VLADIMIR S,SU, KOZLOV NIKOLAJ N,SU
Year of Publication 23.10.1985

by AMBARTSUMYAN SERGEJ A,SU, GURSKAYA ANTONINA V,SU, VESELOVSKIJ ALEKSANDR B,SU, ABRAMOV VLADIMIR S,SU, ANDRIANOV RUDOLF A,SU, BADEYAN GAGIK V,SU
Year of Publication 23.02.1984