Electron optics and the electron microscope / V. K. Zworykin, G. A. Morton, E. G. Ramberg [and others] Zworykin, V. K. Zworykin, V. K. (Vladimir Kosma), 1889-1982, joint author. Electron optics. Electron microscopes. QC447 .E5 578.15 ZWE Includes index. "References" at the end of each chapter except the first. New York : J. Wiley & sons, 1945. 1945. 1945 Text xi, 766 p. eng