1. L. Boltzmann,Wien. Ber. 66:275 (1872) [also inWiss. Abh., F. Hasenöhrl, ed. (Leipzig, 1909)1:316].
2. C. Truesdell and R. G. Muncaster,Fundamentals of Maxwell's Kinetic Theory of a Simple Monatomic Gas (Academic, New York, 1980).
3. H. A. Lorentz,Wien. Ber. 95:115 (1887) [also inCollected Papers, Martinus Nijhoff, ed., Vol. 6, p. 74].
4. S. Chapman and T. G. Cowling,The Mathematical Theory of Non-Uniform Gases (Cambridge University Press, Cambridge, 1960).
5. L. Boltzmann,Vorlesungen über Gastheorie, J. A. Barth, ed. (Leipzig, 1898) Vol. 2, Chap. VII [also inLectures on Gas Theory, transl. S. G. Brush (Berkeley, 1964)].