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By: Ershov, Nikolaĭ Grigorévich,Edition:Publication info: St. Petersburg, [s.n.], 1874Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects:BHL Collections:
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By: Ershov, Nikolaĭ Grigorévich, - Fedchenko, Aleksi͡eĭ Pavlovich,Edition:Publication info: S.-Peterburg, Imp. ob-vo li͡ubiteleĭ estestvoznanii͡a, 1874Volume:Series:Holding Institution: Cornell University LibrarySubjects:BHL Collections: