SSSR.
By: Glav. redaktor B. A. Vvedenskiĭ.
Contributors: Vvedenskiĭ, B. A. 1893-1969.
Published: 1957
Place of publication: [Moskva
Language: rus
Number of pages: 761
Subjects: Soviet Union.
Work titles: Bolʹshai͡a sovetskai͡a ėnt͡siklopedii͡a.
Notes: "Otdelʹnyĭ vypusk 50-go toma vtorogo izdanii͡a BSĖ."