Patten, Bradley M. Foundations of embryology. - New York McGraw-Hill 1958. - 578 p. illus. 26 cm. - McGraw-Hill publications in the zoological sciences . Includes bibliography. LCCN: 57010915 /L/r892 Subjects--Topical Terms: Embryology LC Class. No.: QL955 / .P23 Dewey Class. No.: 591.3