1. Bent, R.L., Dessloch, J.C., Duennebier, F.C., Fassett, D.W., Glass, D.B., James, T.H., Julian, D.B., Ruby, W.R., Snell, J.M., Sterner, J.R., Thirtle, J.R., Vittum, P.W. and Weissberger, A. (1951)Journal of the American Chemical Society,73, 3100.
2. Berry, C.R. (1977) Precipitation and growth of silver halide emulsion grains. InThe Theory of the Photographic Process (4th edn), T.H. James (ed.). Macmillan, New York.
3. Bloom, S., Green, M., Idelson, M. and Simon, M. (1978) The dye developer in the Polaroid photographic process.Chemistry of Synthetic Dyes, No. 8, 331–337.
4. Ducos du Hauron, L. (1869) A new heliochromic process.The Photographic News,13, 319.
5. Fischer, R. and Siegrist, H. (1914) Photographische Korrespondenz, 51, 18–22.