REFERENCES
- Stripp, K. F. & Moore, A. R., Proc. IRE, 43 (July 1955), 856.
- Sugano, T. & Yanai. H., Proc. IRE, 48 (Oct. 1960), 1739.
- Barnov, L. I. et al., Radio Engng & Electronic Physics, 7 (8) (1966), 1250.
- Moore, A. R. & Pankove, J. I., Proc. IRE, 42 (1954), 907.