Science at the cross roads papers presented to the International Congress of the History of Science and Technology, held in London from June 29th to July 3rd, 1931, by the delegates of the U.S.S.R
International Congress of the History of Science and Technology(2nd :1931 :London, England)
London Cass
1971
Facsimile reprint of 1st ed., London: Kniga, 1931
Science
Science