Waddington, C. H. 1905-1975. New patterns in genetics and development / C. H. Waddington - New York : Columbia University Press , c1962. - xiv, 271 p. : ill. ; 23 cm. - Columbia biological series ; no. 21 . - Columbia biological series ; no. 21 . Includes bibliographical references and index. Subjects--Topical Terms: Genetics.Embryology. Dewey Class. No.: 576.5 / WAN 1962