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2. Review of the potential application of non-specific activated sludge bulking control;van Leewen;Water SA,1992
3. The effect of chemical bulking control on biological nutrient removal in a full scale activated sludge plant;Saayman;Water Sci Technol,1996
4. Bulking control with chlorination in a nutrient removal activated sludge system;Lakay;Water SA,1988
5. Manual on the causes and control of activated sludge bulking and foaming;Jenkins,1993