by NARKEVICH IZABELLA A,SU, ROZE KARL V,SU, VALPETERS STANISLAV V,SU, OZOLINSH ANSIS YA,SU, MARUDIN BORIS M,SU, GUREVICH ARKADIJ E,SU, VILSHKERST YANIS YA,SU
Year of Publication 30.03.1983