New localities of Nymphoides peltata (S.G. Gmel.) O. Kuntze (Menyantheaceae) in Ukraine von M. I. Kozak

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Medieval Shields of Europe and Rus' (Construction, Military Symbolic Significance, Development) von M. I. Kozak

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Review: Felbaba-Klushina L.M. Marshland and Aquatic Vegetation Cover in the Tysa River Upper Course (the Ukrainian Carpathians), and Fluvial Concept of its Protection von L. S. Balashov, M. I. Kozak

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Factorization of the Lorentz transformations von K. S. Karplyuk, M. I. Kozak, O. O. Zhmudskyy

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Factorization of the Lorentz transformations von K. S. Karplyuk, M. I. Kozak, O. O. Zhmudskyy

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