Bol'shai͡a︡ sovetskai͡a︡ ent͡s︡iklopedii͡a︡.
By: [V 30-ti t.] Glav. redaktor A.M. Prokhorov. T. 1-
Contributors: Prokhorov, A. M. 1916- ed.
Edition: 3-e izd.
Publisher: "Sov. ent͡s︡iklopedii͡a︡."
Published: 1969
Place of publication: Moskva
Language: rus
Number of pages: 30
Subjects: Encyclopedias and dictionaries, Russian