1. M. Lessen, NACA Report 979 (1950).
2. N. Curle, “Hydrodynamic Instability of the Laminar Mixing Region Between Parallel Streams,” F.M. 2400, Fluid Motion Subcommittee, Aeronautical Research Council, Great Britain (1956).
3. The instability of a shear layer between two parallel streams
4. W. B. Brown, “A Stability Criterion for Three-Dimensional Laminar Boundary Layers,” inBoundary Layer and Flow Control, edited by G. V. Lachmann (Pergamon Press, Inc., New York, 1961), Vol. II, pp. 913–23;
5. also, “Exact Solution of the Stability Equations for Laminar Boundary Layers,” pp. 1033–48.