"Zemli͡a︡," govorit "Sirius"
By: B.N. Orlov, P.I. Shadskiĭ.
Contributors: Shadskiĭ, P. I.
Publisher: Voennoe izd-vo
Published: 1962
Place of publication: Moskva
Language: rus
Number of pages: 98
Subjects: Balloon ascensions.