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Bogolepov, Mikhail Alexandrovich
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Causes of crop failures and famine in Russia in historical times / Prof. AM [!] Bogolepov. - M.: The new village, 1922. -39 p. : tabl. - (Materials of the work of the Experimental and Ameliorative part of the NCC, issue 22)
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I. Bogolepov, A.M. [!]. |
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Source of the electronic copy: PB |
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En
Ru