References
- Overington, I. “Photographic Detectors I". J. Phot. Sci., 15, No. I. (Jan Feb 1967).
- Hall, J. A. “Photographic Thermometry applied to the measurement of Liquid Steel Temperatures”. Phot. J., 86B (Sept.-Oct. 1946).
- Charman, W. N. "Practical Tests on a Microdensitometer System”. Applied Optics, 4, No. 3 (March 1963).