by MIKENAS T.B.,SU, SEMENOVA A.S.,SU, NIKITIN V.E.,SU, ECHEVSKAYA L.G.,SU, ZAKHAROV V.A.,SU, MAKHTARULIN S.I.,SU, GRIGOREV V.A.,SU, SERGEEVA L.A.,SU, ZLOTNIKOV L.M.,SU
Year of Publication 23.04.1987