by GUREEV ANDREJ A,SU, ZASKALKO PETR P,SU, FALKOVICH MAJYA I,SU, LIFANOVA IRINA N,SU, BABURIN BORIS G,SU, POPOVA NINA N,SU, MIKHEEVA TATYANA YU,SU, AFANASEV IGOR D,SU, LEBEDEV VLADIMIR S,SU, MELNIKOVA ELENA V,SU, STEPANOVA VERA I,SU
Year of Publication 07.06.1987