1. Benjamin M. M. Ferguson J. F. Buggins M. E. 1981 Treatment of sulphite evaporator condensate with an anaerobic reactor 1 10
2. Alkaline and ultrasonic pretreatment of sludge before anaerobic digestion;Chiu;Water Science and Technology,1997
3. Anaerobic Sludge Digestion;Cook;Journal of the Water Pollution Control Federation,1987
4. Solubilization of particulate organic carbon during the acid phase of anaerobic digestion;Eastman;Journal of the Water Pollution Control Federation,1981