1. Riblets as a Viscous Drag Reduction Technique;Walsh;AIAA Journal,1983
2. Viscous Drag Reduction in Boundary Layers;Walsh,1990
3. The Viscous Flow on Surfaces with Longitudinal Ribs;Bechert;Journal of Fluid Mechanics,1989
4. Bruse, M., 1998, Zur Strömungsmechanik wandreibungs-vermindernder Riblet-Oberflächen. Dr.-Ing. Dissertation, TU Berlin.