by KHOKHLOV VALERIJ A,SU, TYULEBAEV VLADISLAV G,SU, RUBTSOV GRIGORIJ K,SU, KUZNETSOV RUDOLF F,SU, FROLOV YURIJ A,SU, SOLOVEV LEV B,SU, PLATONOV VLADIMIR P,SU, BELYASHOV YURIJ V,SU
Year of Publication 30.06.1987