by LITVISHKOV BORIS N,SU, SYCHEVA ALLA M,SU, VASHCHENKO PETR M,SU, DYURIK NIKOLAJ M,SU, GENKIN VALENTIN S,SU, FADEEV IVAN G,SU, MELNIKOV SEMEN M,SU, MAMONTOV GENNADIJ V,SU, LUGOVSKOJ ALEKSANDR I,SU
Year of Publication 15.12.1983