From the history of research into the Slavic lands and peoples in Polish archaeology to the early 1940's von J. Lech, D. Piotrowska

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Effect of Mechanical Activation of Highly Disperse SiO2/a-Fe2O3 Mixtures on Distribution of Valence Electrons von Ya. V. Zaulychnyy, V. M. Gunko, Yu. V. Yavorskyi, V. I. Zarko, S. S. Piotrowska, V. M. Mishchenko

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Effect of Mechanical Activation of Highly Disperse SiO₂/α-Fe₂O₃ Mixtures on Distribution of Valence Electrons von Zaulychnyy, Ya.V., Gun’ko, V.M., Yavorskyi, Y.V., Zarko, V.I., Piotrowska, S.S., Mishchenko, V.M.

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