En
Ru| Description |
Pool of Lake Sevan (Gokcha).- Leningrad, [1929-1933].- (Series of the TranscaucasianAcad. Sciences of the USSR. Research Council. Produces Forces).1. Territory (collection).Electronic Source: PBPlace of Storage Original: RGO
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| Description |
Pool of Lake Sevan (Gokcha).- Leningrad, [1929-1933].- (Series of the TranscaucasianAcad. Sciences of the USSR. Research Council. Produces Forces).1. Territory (collection).Electronic Source: PBPlace of Storage Original: RGO
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