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Year of Publication 25.01.1979

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Year of Publication 23.03.1988

by LEBED PETR K,SU, NOVIK GRIGORIJ Z,SU, ERMOLOV LEONID S,SU, TIMCHUK ALEKSANDR I,SU
Year of Publication 23.04.1986

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Year of Publication 28.02.1986

by LEBED PETR K,SU, ZABELYSHINSKIJ ZINOVIJ E,SU, ZELIKOVSKIJ LEONID M,SU, ERMOLOV LEONID S,SU, KASHUBA BORIS P,SU
Year of Publication 07.08.1984

by LEBED PETR K,SU, BAKLAJ YURIJ F,SU, YANKOVSKIJ VIKTOR I,SU, ERMOLOV LEONID S,SU, TIMCHUK ALEKSANDR I,SU
Year of Publication 15.01.1984