by VEDERNIKOV G.G.,SU, ZINUROV I.YU.,SU, MALYSHKIN YU.K.,SU, BASYAS I.P.,SU, KIRYANOV A.N.,SU, STEPANOV N.A.,SU, KUZNETSOV L.K.,SU, KIRSANOV YU.P.,SU, TIMOFEEV S.V.,SU
Year of Publication 23.02.1986