1. Rahman, A. and Stillinger, F. H. (1971) J. chem. Phys., 55, 3336.
2. Barker, J. A. and Henderson, D. (1976) Revs. Mod. Phys., 48, 587.
3. Hansen, J. P. and McDonald, I. R. (1976) Theory of simple liquids, Academic Press.
4. Erpenbeck, J. J. and Wood, W. W. (1977) Statistical Mechanics. Part B: Time-Dependent Processes, Plenum Press, 1.
5. Kushick, J. and Berne, B. J. (1977) Statistical Mechanics. Part B: Time-Dependent Processes, Plenum Press, 41.