Fighting two worlds and tasks of science

Bukharin, Nikolai IvanovichFighting two worlds and the task of science / acad.N.I.Bukharin.- M.;L.: Socyekgiz, 1931. -32 s .. - (reports at the emergency session in Moscow on June 21-27, 1931, theAcad. Sciences of the USSR).-Bibliogr.in a substrateNote..Electronic Source: PB