De Robertis, Eduardo D. P. General cytology [by] E.D.P. de Robertis, W.W. Nowinski [and] Francisco A. Saez. - 2nd ed. - Philadelphia Saunders 1954. - 456 p. illus. 25 cm. Includes bibliography. LCCN: evl30000089 Subjects--Topical Terms: Cytology LC Class. No.: QH581 / .R613 1960 Dewey Class. No.: 574.87