Stansfield, William D. Theory and problems of genetics - 3 ed. - New York : McGraw-Hill, 1991 - 452 p. : ilus. - Schaum's outline series . - Schaum's outline series . 57-46 LCCN: 5402 Subjects--Topical Terms: Genética. Dewey Class. No.: 575.1 / S82 1991