Ehrman Lee Ed. Genetics, environment and behaviour Implications for educational policy edited by Lee Ehrman, Gilbert S Omenn and Ernst Caspari Ehrman Lee Ed.; Omenn Gilbert S Ed.; Caspari Ernst Ed. - New York Academic Press USA 1972 - 324p. cm. Standard No.: 251,258 Source: Textual Subjects--Topical Terms: SOCIOLOGY Dewey Class. No.: Y7:(G:6), L2