Zapiski Imperatorskogo Russkogo Geograficheskogo Obshchestva po obshchey geografii: T. VI: Kn. II. Rykachev, M. Podnyatie na vozdushnom share, v SPb 20 maya-1 iyunya 1873 g./Notes of the Imperial Russian Geographical Society on General Geography: Vol.VI: Book II. Rykachev, M. Balloon Rise, in St. Petersburg, May 20-June 1, 1873 In Russian (ask us if in doubt) - landofmagazines.com

TransliterationZapiski Imperatorskogo Russkogo Geograficheskogo Obshchestva po obshchey geografii: T. VI: Kn. II. Rykachev, M. Podnyatie na vozdushnom share, v SPb 20 maya-1 iyunya 1873 g.

In EnglishNotes of the Imperial Russian Geographical Society on General Geography: Vol.VI: Book II. Rykachev, M. Balloon Rise, in St. Petersburg, May 20-June 1, 1873 In Russian (ask us if in doubt)

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