1. Deep shaft treatment for sewage;Redman;Chem. Eng. (London),1987
2. Pneumatically agitated bioreactors in industrial and environmental bioprocessing: hydrodynamics, hydraulics and transport phenomena;Chisti;Appl. Mech. Rev.,1998
3. R. Opie, Repeat order, World Water and Environmental Engineer, January/February, 1993, pp. 16–17.
4. M.A. Winkler, Biological Treatment of Wastewater, Ellis Horwood, Chichester, UK, 1981, pp. 146–163.
5. Y. Chisti, Airlift Bioreactors, Elsevier, London, 1989, 355 pp.