Volgo-Don.
Series: Akademiia nauk SSSR.  Nauchno populiarnaia seriia; Nauchno-populi︠a︡rnai︠a︡ serii︠a︡
Publisher: Izd-vo Akademii nauk SSSR
Published: 1954
Place of publication: Moskva
Language: rus
Number of pages: 222