Sahbaei, A. R., Azimi, A. A., Karbasi, M., Babamir, S. (1999). 'The Effect of Lime in Removal of Filamentous Bacteria and Control of Bulking', Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 10(2), pp. 31-38. doi: 10.22093/wwj.1999.174807