by ABYZOV ALEKSANDR N,SU, KONDRASHENKOV ANATOLIJ A,SU, KUKUJ SVETLANA M,SU, PRUDNIK VITALIJ G,SU
Year of Publication 23.08.1981

by KONDRASHENKOV ANATOLIJ A,SU, PRUDNIK VITALIJ G,SU, ALFEROV FEDOR A,SU, NAZAROV IGOR A,SU, NIKITIN IGOR V,SU
Year of Publication 30.11.1980