1. D. Bradley, ?The Hydrocyclone?, Pergamon Press, Oxford (1965) pp. 9?20.
2. R. W. Day,Chem. Engng. Prog. 69 (1973) 67.
3. N. Dhamo and R. Kammel,Metall 46 (9), (1992) 912.
4. D. Bradley,, pp. 107?122.
5. R. H. Perry, D. W. Green and J.O. Maloney, ?Perry's Chemical Engineers' Handbook? 6th edn. McGrawHill, New York (1984) section 20 (82).