References
- Kosar, J. Light Sensitive Systems p. 2 (John Wiley Sons, New York 1965).
- Kosar, J. Light Sensitive Systems p. 28 (John Wiley Sons, New York 1965).
- Neblette, C. U. Photography, its Principles and Practice—4th Edition p. 695 (D. van Nostrand Co., New York 1942).
- Di Bias U. and Knirsch, F.—Ferrania Patent Italy 764959 (May 15th, 1967).
- Calligaris E.—Private communication.
- Jonkcr, H., van Beek, H. K. L., Janssen, C. J. G. F. and Kloster- ntann, F. T.
- Yudelson, J. S. and Gysling, H. J., U.S. Patent Application S.N. 653.025 (July 13th, 1967). Yudelson, J. S., U.S. Patent Application S.N. 723.278 (Anril 22nd, 1968).
- Susuki, S. Matsumoto, K.., Harada, K. and Tsubura E.—Phot Sci. Eng. 12, p. 2 (1968).
- See for example Saubestre E. B. Metal Finishing July p. 49 and August 46 (1962)