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Kovalkovsky, Alexei Konstantinovich (1881-).
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The device of correct grass growing in peasant fields / Comp. bonfire. county. agr. A. Kovalkovsky. - Kostroma: Ed. Kostrom. county. Zemstvo, 1907. -30 with. : ill., Table. ; 17 cm. -
Ex: without a domain.
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1. Territory (collection). |
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Source of electronic copy: PB
Location of original: TIAMZ |
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