1. Anfinsen, C. B. Science 181, 223–230 (1973).
2. Scheraga, H. A. Adv. phys. org. Chem. 6, 103–184 (1968).
3. Ramachandran, G. N. & Sasisekharan, V. Adv. prot. Chem. 23, 283–437 (1968).
4. Némethy, G. & Scheraga, H. A. Quart. Rev. Biophys. (in the press).
5. Wetlaufer, D. B. & Ristow, S. Ann. Rev. Biochem. 42, 135–158 (1973).