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Perm provincial congress of zemstvo agronomists and representatives of district zemstvos (16, 1904).
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Proceedings of the XVIth Congress of agronomists of the Perm provincial zemstvo and representatives of the district zemstvos of the Perm province, formerly in Perm, from June 15th to 21st, 1904. - Perm: Type. lips. earth. , 1905. - [3], II, 112 p. ; 27. -
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Source of the electronic copy: PB |
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