General cytology / by E.D.P. de Robertis, W.W. Nowinski and Francisco A. Saez. Citología general. English De Robertis, Eduardo D. P., 1913- Cytology. QH581 .R613 1960 574.87 DEG Includes Index. Includes bibliography. Philadelphia : Saunders, c1960. c1960. 1960 Text 555 p. : eng engspa