Bolʹšaâ soveckaâ enciklopediâ /
Bolʹšaâ soveckaâ enciklopediâ /
Glav. redaktor A. M. Prohorov.
- Moskva : Sov. entsiklopediia, 1969-.
- 30 v. :
RussianRef1059
Encyclopedias and dictionaries, Russian.
039.17 / Bo, 3
RussianRef1059
Encyclopedias and dictionaries, Russian.
039.17 / Bo, 3