1. We use the nomenclature suggested in J. Biol. Chem. 5, 244 (1967).JBCHA30021-9258
2. (a) A. D. McLachlan and M. A. Ball, Mol. Phys. 8, 581 (1964). MOPHAM0026-8976
3. (b) R. A. Harris, J. Chem. Phys. 43, 959 (1965).JCPSA60021-9606
4. See, for example, A. Moscowitz, Mod. Quantum Chem. 3, 31 (1965).
5. R. A. Harris, J. Chem. Phys. 50, 3947 (1969).JCPSA60021-9606