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Year of Publication 05.07.1979
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Year of Publication 15.03.1986
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Year of Publication 15.03.1986
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Year of Publication 15.09.1985
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Year of Publication 15.09.1985
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BUTTRESS WALL
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Year of Publication 07.03.1981
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Year of Publication 07.03.1981
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ZELENSKIJ VASILIJ S,SU, ZALOZHKOV VENIAMIN A,SU, ERLIKH ROMAN M,SU, PROSYANOV LEONID E,SU, BURYACHOK VLADIMIR V,SU
Year of Publication 30.08.1984
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Year of Publication 30.08.1984
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