by MOVSISYAN GRACHYA V,SU, KOLBASIN VLADIMIR F,SU, MELKONYAN ELFRIDA A,SU, STEPANYAN MELS A,SU, VARTANYAN RAFAEL V,SU, KOSTANYAN GENRIKH G,SU, ROZENBLAT MIKHAIL M,SU, KAGRAMANYAN AIDA S,SU
Year of Publication 07.12.1981