1. (1) Emmons, H.W., The Laminar-Turbulent Transition in a Boundary Layer, Journal of Aeronautical Sciences, Vol.18, No.7 (1951), pp.490-498.
2. (2) Schubauer, G.B., Klebanoff, P.S., Contributions on the Mechanics of Boundary-Layer Transition, NACA Technical Note, No.3489 (1955), pp.1-31.
3. (3) Riley, J.J., Gad-el-Hak, M.,Some Insights into Transitional and Turbulent Boundary Layers, Frontiers in Fluid Mechanics, Springer-Verlag (1985), pp.123-155.
4. (4) Gad-el-Hak, M., Blackwelder, R.F., Riley, J.J., On the Growth of Turbulent Regions in Laminar Boundary Layers, Journal of Fluid Mechanics, Vol.110 (1981), pp.73-95.
5. On the evolution of the turbulent spot in a laminar boundary layer with a favourable pressure gradient