1. Horikoshi, Y., Chap. 3 in Semiconductors and Semimetals, Vol. 22, Part C, ed. W. T. Tsang. New York: Academic Press, 1985.
2. Harman, T. C., in Physics of Semimetals and Narrow Gap Semiconductors, ed. D. L. Carter and R. T. Bate. New York: Pergamon Press, 1971
3. Calawa, A. R. J. Lumin.
7, 477 (1973).
4. Hesse, J., and H. Preier, p. 229 in Festkörperprobleme [Advances in Solid State Physics], Vol. XV, ed. H. J. Queisser. Braunschweig: Pergamon/Vieweg, 1975.
5. Melngailis, I., and A. Mooradian, in Laser Applications to Optics and Spectroscopy, ed. S. F. Jacobs, M. Sargent III, J. F. Scott, and M. O. Scully. Reading, Mass: Addison-Wesley Publishing Co., 1975.