by ANDRIANOV K.A.,SU, FRENKEL A.S.,SU, SKOROKHODOV I.I.,SU, SOBOLEVSKIJ M.V.,SU, SOBOLEVSKAYA L.V.,SU, SHKOLNIK O.V.,SU, IZMAJLOV B.A.,SU, MAGOMEDOV G.K.-I.,SU, SYRKIN V.G.,SU, DITSENT V.E.,SU, MOROZOVA L.V.,SU
Year of Publication 30.10.1991