Korff , Serge A. . Electron and Nuclear Counters: Theory and Use / Textual Documents Serge A. Korff & H. Kallmann. - 1st ed. / - London : D. Van Nostrand Co., Inc , 1955. - xiii,363p. ; 22cm. Index Subjects--Index Terms: Electron Nuclear Counters G-Physics Dewey Class. No.: 539.81 / K 841 El