1. Barr, A. C. D. &E. H. Frost-Smitt: Magnetic cores for instrument transductors. Soft magnetic materials for telecommunications. Richards, C. E. and A. C. Lynch, Pergamon Press London (1953), S. 301.
2. Breckenridge, G. R.: Semiconducting intermetallic compounds. Phys. rev. 90 (1953). S. 488.
3. Gale, H. M. &P. D. Atkinson: A theoretical and experimental study of the series connected magnetic amplifier. Proc. Inst. El. Engrs. London, V. 96 Part I, May (1949), S. 99.
4. Geyger W. A.: Magnetic amplifier circuits. Mc Graw-Hill, (1954).
5. Hartel, W.: Anwendung der Hallgeneratoren. Siemens-Zeitschrift 28, (1954), S. 376.