Po nebesnomu okeanu
Series: Obshchedostupmai︠a︡ aastronomii︠a︡ -- no. 1; Obshchedostupmai͡a aastronomii͡a -- no. 1
Published: 1925
Place of publication: Praga
Language: cze
Number of pages: 78
Notes: At head of title:  Prof. V. V. Stratonov.