1. For example, J. O. Hinze,Turbulence, an Introduction to its Mechanism and Theory(McGraw-Hill Book Company, Inc., New York, 1959).
2. M. A. Herlin, W. G. Clay, M. Labitt, and R. E. Slattery, “The reentry simulating range,” 14th Conference on Hypervelocity and Impact, Eglin Air Force Base, Florida, 1960.
3. R. E. Richardson (to be published).
4. L. Hromas and L. Lees (to be published).