References
- Jones, L. A. J. Frank, Inst., 227. 297 (1939).
- Hornsby, KM. Brit. J. Phot., 105, 42 ( 1958).
- Glafkides P. Chimie Phototruphtam, 156 (1957).
- Viltum, P W. Weissberger. A. Wiss Phot., Eritbnisse d. Int. Konf., Köln, 461 (1956).
- Mees, C. E. K. The Theory of the Photographic Process, 745 (1954).