by LEKHMUS MIKHAIL YU,SU, GELSHTEJN YAKOV M,SU
Year of Publication 07.09.1989

by LEKHMUS MIKHAIL YU,SU, KHOMYAKOV VADIM S,SU, DAVYDOV IGOR I,SU, POLYANIN VYACHESLAV I,SU
Year of Publication 15.03.1990