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Year of Publication 30.09.1992

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Year of Publication 30.01.1986

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Year of Publication 23.01.1990

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Year of Publication 07.12.1989

by GAVRISHCHUK ANATOLIJ I,SU, NIKOPSKIJ ALEKSANDR KH,SU, VOLKOV DMITRIJ N,SU, RYZHNIKOV PETR I,SU
Year of Publication 23.10.1982