References
- National Bureau of Standards document, September 14,1938.
- Crabtree, J. I., Eaton, G. T. and Muehler, I. E., The Removal of Hypo and Silver Salts from Photographic Materials as Affected by the Composition of the Processing Solutions , JSMPTE., 41, 9-68 (1943).
- ANSI/ASC PH1.41-1984.
- ANSI/ASC PH1.28-1984.
- Conditions set to agree with ANSI/ASC PH1.60-1979.
- All densities given are visual neutral densities.