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Materials on the study of the colonization suitability of the Pechora Uyezd [North Pechora expedition A.V. Zhuravsky]. - Arkhangelsk: Lip. type., 1910. - [2], IV, 133 with. ; 26. -
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I. The North Pechersk Expedition (1909). |
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Source of the electronic copy: PB |
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