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type: IsCopyOfRelation
general description: "Documentation of the underground organizations of the Communist Party and the Komsomol movement in Belorussia, 1941-1944" was copied from "Подпольные партийные органы Белостокской области в годы Великой Отечественной войны 1941-1945гг."
relation has source: il-002798-12796915
relation has target: by-002080-1332