References
- Saunders, A. E., J. Photogr. Sci., 29, 51 (1981).
- Hillson, P. J., and Reddington, J. F., J. Photogr. Sci., 29, 61 (1981).
- Farnell, G. C., and Jenkins, R. L., J. Photogr. Sci., 29, 39(1981).
- Chasman, R. A., R.P.S. Photographic Image Quality Symposium, Oxford 1980 (Chameleon Press Ltd.).