"physical" and "biological" in the process of organic evolution
By: by B. Zavadovsky.
Publisher: Kniga (England) Ltd.
Published: 1931
Place of publication: London
Language: eng
Number of pages: 12
Notes: Science at the cross roads. Papers read to the Second International Congress of the History of Science and Technology, by the delegates of the U.S.S.R. London, June 29th to July 3rd, 1931 - at head of cover.

Cover title.