1. Maxwell JC (1879) On stresses in rarefied gases arising from inequalities of temperature. Phil. Trans. Roy. Soc. 170: 231?262
2. Burnett D (1935) The distribution of molecular velocities and the mean motion in a non-uniform gas. Proc. Lond. Math. Soc. 40: 382?435
3. Chapman S, Cowling TG (1979) The mathematical theory of nonuniform gases. Cambridge: Cambridge University Press
4. Wang-Chang CS, Uhlenbeck GE (1970) On the transport phenomena in monatomic gases. Studies in statistical mechanics (Ed. J. de Boer and G. E. Uhlenbeck). Vol. V, pp. 1?16, Amsterdam, North-Holland
5. Wang-Chang CS (1970) On the dispersion of sound in helium. Studies in statistical mechanics, ed. J. de Boer and G. E. Uhlenbeck, Vol. V, pp. 17?26. Amsterdam: North-Holland