1. J. Bordogna, S. A. Keneman, J.J. Amodei: RCA Rev. 33, 227 (1972)
2. D.Chen, J.D.Zook: Proc. IEEE 63, 1207 (1975)
3. R. A. Bartolini, H. A. Weakliem, B. F. Williams: Opt. Eng. 15, 99 (1976)
4. See, for instance, D.Chen: Magneto-Optic Materials. In Handbook of Lasers, ed. by R.J.Pressley (CRC Press, Cleveland, Ohio 1971), Chapt. 16, pp. 460–477
5. R. S. Mezrich: Appl. Phys. Lett. 14, 132 (1969)