1. S. Chapman and T. Cowling,Mathematical Theory of Non-Uniform Gases (Cambridge University Press, Cambridge, England, 1953).
2. J. A. McLennan, inAdvances in Chemical Physics, Vol. 5, I. Prigogine, ed. (Wiley, New York, 1963); R. Zwanzig,Ann. Rev. Phys. Chem. 16:67 (1965); D. Zubarev,Nonequilibrium Statistical Thermodynamics (Consultants Bureau, New York, (1974).
3. M. H. Ernst,Physica 32:209 (1966).
4. R. J. Hardy,J. Math. Phys. 6:1749 (1964).
5. J. T. Bartis and I. Oppenheim,Phys. Rev. A 8:3174 (1973);10:1263 (1974).