by BESPYATOV BORIS I,SU, VYALKOV VLADILEN N,SU, VYALKOV VITALIJ V,SU, GAVRYUSHIN VLADIMIR B,SU
Year of Publication 28.02.1993

by MIRONOV VALENTIN V,SU, KHARAZ ISAJ I,SU, IVANCHUK ANATOLIJ M,SU, VYALKOV VLADILEN N,SU
Year of Publication 07.01.1984