1. S. Chapman and T. G. Cowling,The Mathematical Theory of Non-uniform Gases, 3rd ed., Cambridge University Press (1970).
2. J. Foch and G. W. Ford, ?The Dispersion of Sound in Monatomic Gases,? inStudies in Statistical Mechanics, Vol. V, J. de Boer and G. E. Uhlenbeck, eds. (1970).
3. D. Burnett,Proc. Math. Soc. (2)39:385 (1933);40:382 (1954).
4. Bateman Manuscript Project,Higher Transcendental Functions, Vol. II, McGraw-Hill, New York (1953).
5. E. P. Wigner,Group Theory and its Application to the Quantum Mechanics of Atomic Spectra, Academic Press, New York (1959).