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Pulman, I.A.
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Organizational plan. Bogoroditskoe experimental field of Starooskolsky district of the Kursk province ... - Kursk: B. and., 1913. -
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Source of the electronic copy: PB |
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For 1913: (From the foundation of the 14th year): The program of experiments was approved by the 48th Kursk Gubernia. earth. meeting. - A type. Kursk Province. Zemstvo, 1913. -30 with. : table .. -
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I. Kursk Provincial Zemstvo Assembly. |
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Source of the electronic copy: PB |
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