References
- Hamm, F. A. and Comer, J. J., J. appl. Phys., 24, 1495 (1953).
- Farnell, G. C., Flint, R. B. and Chanter, J. B., J. photogr. Sci., 13, 25 (1965).
- Peelaers, W. and Claes, F. H., Phot. Korr., 103, 101 (1967); ibid, 104, 160 (1968).
- Aznarez, J. A., J. photogr Sci., 25, 53 (1977).
- Farnell, G. C., Flint, R. B., Chanter, J. B. and Judd, F. S., J. photogr. Sci., 14, 125 (1966).