Dobzhansky, Theodosius. Genetics and the origin of species / Theodosius Dobzhansky. - 3rd rev.ed. - New York : Oxford university press, c 1976. - x, 364 p. : ill. ; 24 cm. - Columbia biological series. . 337 337 Subjects--Topical Terms: Biology--Evolution. Dewey Class. No.: 575.1 / D656g