1. Equation of motion of a solid particle suspended in a fluid
2. H. Schlichting,Boundary Layer Theory(McGraw-Hill, New York, 1960), p. 187.
3. Pipe flow of suspensions
4. S. L. Soo,Fluids Dynamics of Multiphase Systems(Blaisdell, Waltham, Mass., 1967), pp. 46, 215.