1. The Theory of the Photographic Process, edited by T. H. James (Macmillan, New York, 1977) Chap. 1.
2. The Influence of Iodide on Photographic Properties of Homogeneous AgBr Emulsions
3. B. Furman and G. H. Morrison (unpublished).
4. XLI. Some experiments on photographic sensitivity
5. W. West and V. I. Saunders, in Wiss Photogr. (Proc. 1956 Conference, Cologne) (Dr. Othmar Helwich, Darmstadt und Wien, Darmstadt, 1958), p. 48.