1. Lees, L. and Lin, C.C., Investigation of the Stability of the Laminar Boundary Layer in a Compressible Fluid. NACA Technical Note No. 1115, 1946.
2. Mack, L.M., Boundary-Layer Stability Theory, Document No. 900–277, Rev. A, Jet Propulsion Laboratory, Pasadena, CA, 1969.
3. Mack, L.M., Boundary-Layer Linear Stability Theory, in “Special Course on Stability and Transition of Laminar Flow,” AGARD Report No. 709, pp. 3–1 to 3–81, 1984.
4. Gapnov, S.A. and Maslov, A.A., Propagation of Disturbances in Compressible Fluids (in Russian), Akademia Nauk, Siberian Branch, Novosibirsk, USSR, 1980.
5. Lees, L. and Gold, H., Stability of Laminar Boundary Layers and Wakes at Hypersonic Speeds: Part I. Stability of Laminar Wakes, in “Proceedings of International Symposium on Fundamental Phenomenon in Hypersonic Flow,” pp. 310–337, Cornell Univ. Press, 1964.