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Year of Publication 07.04.1992

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Year of Publication 30.10.1989

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Year of Publication 07.09.1992

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Year of Publication 30.03.1991

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Year of Publication 30.04.1988

by DILBARYAN GAMLET L,SU, ALEKSANDRYAN KAREN V,SU, KRBEYAN TARON A,SU, ALEKSANYAN ARAM A,SU, MARTIROSYAN SPARTAK V,SU
Year of Publication 15.10.1992

by NERSISYAN GARIK K,SU, ALEKSANDRYAN KAREN V,SU, KRBEYAN TARON A,SU, ALEKSANYAN ARAM A,SU, SARKISYAN SARKIS S,SU
Year of Publication 15.04.1990

by BABAYAN VAZGEN S,SU, DILBARYAN GAMLET L,SU, ALEKSANDRYAN KAREN V,SU, KRBEYAN TARON A,SU, ALEKSANYAN ARAM A,SU
Year of Publication 30.12.1989