by GORELOV EVGENIJ F,SU, VLASOVA MARIYA T,SU, KUZNETSOVA TAMARA V,SU, KOMLEV LEV N,SU, ZAGRYADS IJ V,SU, PETUKHOVA OLGA G,SU, YUDOVICH BORIS E,SU, LOBACHEV ANATOLIJ ,SU
Year of Publication 25.09.1977