1. Watson, V. R. and Pegot, E. B. "Numerical Calculations for the Characteristics of a Gas Flowing Axially Through a Constricted Arcr"NASA Technical Note 0-4042, June 1967.
2. Graves, R. A. and Wells, W. L. "Preliminary Study of a Wall-Stabilized Constricted Arc,*' NASA Technical Memorandum X-2700, February 1973.