1. Beveridge, D. L., Kelly, M. M., and Radna, R. J.: J. Am. Chem. Soc. 96, 3769 (1974).
2. Sinanoglu, O.: in B. Pullman (ed.), Molecular Associations in Biology’, Academic Press, New York, 1968, pp. 427ff.
3. Rein, R., Renugopalakrishnan, V., Nir, S., and Swissler, T. J.: Int. J. Quantum Chem. (submitted).
4. Avignon, M., Huong, P. V., Lascombe, J., Marraud, M., and Neel, J.: Biopolymers
8, 69 (1969).
5. Marraud, M., Neel, J., Avignon, M., and Huong, P. V.: J. Chim. Phys. 67, 959 (1970).