Photoelectrets and the electrophotographic process / by V.M. Fridkin and I.S. Zheludev. Authorized translation from the Russian by A. Tybulewicz. Fridkin, V. M. (Vladimir Mikhaĭlovich), 1929- Zheludev, I. S. (Ivan Stepanovich), joint author. Electrets. Xerography. QC585 .F683 537.54 FRP Includes bibliographical references and index. Toronto ; New York : D. Van Nostrand, 1961. 1961. 1961 Text 195 p. : eng