1. Elliott, C.T. (1981) Handbook on Semiconductors
1stednedC. Hilsum4 North-Holland,Amsterdam, p.727.
2. Elliott, C.T. and Gordon, N.T. (1993)Handbook on Semiconductors2nd edn. (ed. C. Hilsum North-Holland, Amsterdam, p.841.
3. Kolodny, A. and Kidron, I. (1992)Infrared Phys.22, 9.
4. Oda, N. (1988)Proc. SPIE
915, 20.
5. Jozwikowska, A., Jozwikowski, K. and Rogalski, A. (1991)Infrared Phys.
31, 543.