Goldstein, D. B., Nadiga, B. T., “Compressible Channel Flow Using Two Discrete-Velocity Gas Models,” Rarefied Gas Dynamics: Theory and Simulations, ed. by B. D. Shizgal and D. P. Weaver, Vol. 159, Progress in Astronautics and Aeronautics, published by AIAA, Washington, D. C., pp. 3-15, 1994.