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Kovalevsky, Pavel Ivanovich (1849-1923).
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The Universe: Natural-ist. essay / [Com.] Prof. P.I. Kovalevsky. - St. Petersburg ; Moscow: Izd. M.V. Wolff, [1907]. - [4], IV, 120, [4] p. ; 22 cm. -
Bibliography. in the text and a substring. note
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1. The people (the collection). |
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Source of electronic copy: PB
Location of original: SPbSU |
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