1. Reply to the Comments by F. A. Williams
2. Comments on ``Near-Equilibrium, Quasi-One-Dimensional Flow''
3. Criteria for Thermodynamic Equilibrium in Gas Flow
4. M. Lenard, inDynamics of Manned Lifting Planetary Entry, edited by S. M. Scala, A. C. Harrison, and M. Rogers (John Wiley & Sons, Inc., New York, 1963), p. 841.
5. S. S. Penner,Chemistry Problems in Jet Propulsion(Pergamon Press, Inc., New York, 1957), p. 346.