1. Kieffer, S. W. U.S. geol. Surv. Prof. Pap. 1250 (in the press).
2. Moore, J. G. & Albee, W. C. U.S. geol. Surv. Prof. Pap. 1250 (in the press).
3. Wallis, G. B. One-dimensional Two-phase Flow (McGraw Hill, New York, (1972).
4. JANNAF (Joint Army, Navy, NASA, Air Force) Handbook of Rocket Exhaust Plume Technology, Ch.2 (CPIA Publ. 263, 1975).