by PERCHENKO GENNADIJ N,SU, PICHUGINA NINA E,SU, KLASSEN VILLI I,SU, BUKHOLDINA VERA M,SU, ZERNITSKIJ VIKTOR G,SU, SEROV EVGENIJ I,SU, PROKHOROV MSTISLAV V,SU, SKRYLEV VIKTOR A,SU
Year of Publication 30.07.1984