1. The Theory of Turbulent Jets;Abronovich,1963
2. Standard Methods for the Examination of Water, Sewage and Industrial Wastes;APHA,1989
3. Loop reactors;Blenke;Adv. Biochem. Engng,1979
4. British Oxygen Company (BOC) The Vitox system (promotional document).
5. Aeration of Industrial and municipal liquors;Electricity Council;Electricity Council EC 443/11.85,1985