Stansfield, William D. Schaum’s outline series of theory and problems of genetics / by William D. Stansfield. - New York : McGraw-Hill, 1969. - 281 p. : illus. ; 28 cm. - Schaum’s outline series. . Subjects--Topical Terms: Genetics --Problems, exercises, etc. Dewey Class. No.: 575.21 STA