1. Veis, A. The Macromolecular Chemistry of Gelatin, Academic Press, New York, pp 433, 1964.
2. Dickerson, R.E. and Geis, I. The Structure and Action of Proteins, Harper and Row, New-York, pp. 220, 1969.
3. Stainsby, G. In: The Science and Technology of gelatin, Ward, A.G. and Courts, A. (eds.), Academic Press, London, pp. 179, 1977.
4. Eldridge, J.E. and Ferry, J.D. J. Phys. Chem., 1954; 58: 992.
5. Eagland, D., Pilling, G., Sugget, A. and Wheeler, R.G. Faraday Discussion 1974; 57: 181.