1. Fishenden, M., andSaunders, O. A.,An Introduction to Heat Transfer (Oxford 1950), p. 95.
2. Ostrach, S., N. A. C. A. Rep. No. 1111 (1953).
3. Schmidt, E., Proc. 4th Int. Cong. Appl. Mech. (Cambridge 1934), p. 92.
4. Squire, H. B.,Modern Developments in Fluid Dynamics: High Speed Flow (ed.L. Howarth: Oxford 1953), Chap. 10.
5. Stewartson, K.,Simposium über Grenzschichtforschung, Freiburg i. Br. 1954 (unpublished).