1. I. Melngailis and A. J. Strauss, Appl. Phys. Lett. 8, 179 (1966).
2. T. C. Harman, J. Electron. Materials 8, 191 (1979).
3. G. Fiorito and G. Gasparini, Alta Frequenza 47, 114 (1978).
4. M. B. Reine and R. M. Broudy, Modern Utilization of Infrared Techology III SPIE 124, 80 (1977).
5. R. M. Broudy and M. B. Reine, Modern Utilization of Infrared Technology III SPIE 124, 62 (1977).