1. Unresolved problems of fluid mechanics;Kline;Mech. Engng,1958
2. Separation of flow;Chang;J. Franklin Inst.,1961
3. Foundations of Aerodynamics;Kuethe,1959
4. Hypersonic separated flows;Bogdonoff,1959
5. On boundary layers and upstream influence. Part I: A comparison between subsonic and supersonic flows;Lighthill,1953