Pitelka, Dorothy Riggs, Dr. 1920- Electron-microscopic structure of protozoa / by D. R. Pitelka - Oxford : Pergamon Press, c1963 - x, 269 p. : ill. ; 23 cm. - International series of monographs on pure and applied biology. Division: Zoology ; v. 13 . Includes index Subjects--Topical Terms: ProtozoaMicroscopesMicroscopy Dewey Class. No.: 593