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Year of Publication 15.01.1992

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Year of Publication 15.10.1989

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Year of Publication 07.08.1990

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by LITVINOVA RAISA E,SU, KARMANOV IGNATIJ V,SU, MIRONOV YURIJ E,SU, SAVINOV OLEG A,SU, ERAKHTIN BORIS M,SU, LAVRINOVICH ELENA V,SU
Year of Publication 25.12.1978