by SAVOV PETR KHRISTOV,BG, KAMALOV ALEKSANDR R,SU, SKACHKOV OLEG A,SU, DONETS ANDREJ I,SU, DRAKALIJSKI BORIS JORDANOV,BG, MINCHEV DIMITR STANCHEV,BG, SHAKHNOVICH VALERIJ V,SU, BERSHITSKIJ IGOR M,SU, BAKALOV NIKOLAJ GEORGIEV,BG, OKOROKOV GEORGIJ N,SU, SINELNIKOV VYACHESLAV A,SU, KATS YAKOV L,SU, ATANASOV OGNYAN ATANASOV,BG, KHRISTOV KHRISTO GENCHEV,BG, PENEV PENO IVANOV,BG, BAGAROV STEFAN TODOROV,BG
Year of Publication 15.07.1992