1. Drag Reduction of Turbulent Flows by Additives;Gyr,1995
2. On some local aspects of turbulent drag reducing flows of dilute polymers and surfactants;Gyr,1996
3. On some aspects of fully-developed turbulent flow in rectangular channels;Gessner;J. Fluid Mech.,1965
4. G.B. Gilbert, Secondary flow in straight rectangular ducts, Master's Thesis, MIT, Massachusetts, 1960.
5. Surfactant Systems, Their Chemistry, Pharmacy and Biology;Attwood,1983