1. Acampora, G., Hermans, J.: Reversible denaturation of sperm whale myoglobin. I. Dependence of temperature, pH, and composition. J. Amer. chem. Soc. 89, 1543?1547 (1967).
2. Aune, K. C., Salahuddin, A., Zarlengo, M. H., Tanford, C.: Evidence for residual structure in acid- and heat-denatured proteins. J. biol. Chem. 242, 4486?4489 (1967).
3. Baker, J. R.: Principles of Biological Microtechnique. London: Methuen & Co. Ltd. 1958.
4. Bamford, C. H., Elliott, A., Hanby, W. E.: Synthetic polypeptides: Preparation, structure and properties. New York: Academic Press 1956.
5. Barka, T., Anderson, P. J.: Histochemistry: Theory, practice and bibliography. New York: Hoeber Medical Division, Harper & Row 1963.