Raising in a balloon in St. Petersburg May 20 / June 1, 1873

Rykchev, Mikhail Alexandrovich (1840-1919).Raising in the balloon in St. Petersburg on May 20 / June 1, 1873 / [cit.] D. Chl.M. Rykacheva.- St. Petersburg: Type.V. Robility and to °, 1882. -77 p.: Tab.;22. - (Notes of the Imperial Russian Geographical Society, according to general geography; T. 6, No. 2, ed. Ed. M. Rykacheva).Electronic Source: PB