1. T. Allen, Particle Size Measurement, Chapman and Hall, London, 1981.
2. A.S. Foust, L.A. Wenzel, C.W. Clump, L. Maus, L.B. Anderson, Principles of Unit Operations, Wiley, New York, 1960.
3. Estimation of basic particle properties for use in fluid—particle process calculations
4. S. Koncar-Djurdjevic, F. Zdanski, A. Dudukovic, Drag in single fluid flows, in: N.P. Cheremisinoff (Ed.), Encyclopedia of Fluid Mechanics, Chap. 13, Gulf Publ., Houston, 1986, pp. 433–452.