Properties texture-letters Stefan Їeromski von L. Potapenko

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Snowy problem for railways of Ukraine in wartime von L. L. Potapenko

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Arboreal plants in the populated areas of the Eastern region of the Cri mean coast von I. L. Potapenko, S. I. Kuznetsov

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On the necessity to include a rare endemic species Crataegus stankovii Kossych (Rosaceae), into the Red Data Book of Ukraine von Yu. Lietukhova, I. L. Potapenko

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Taxonomic analysis of some species of the genus Crataegus (Rosaceae) from the flora of Crimea von Yu. Lietukhova, I. L. Potapenko, M. M. Fedoronchuk

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