1. Standard Methods for the Examination of Water and Wastewater,1992
2. EPA, 1993. Methods for Chemical Analysis of Water and Wastes. EPA-600/4-79-020, US EPA, Cincinnati, OH
3. Membrane enhanced biological treatment of oily wastewater;Hare,1990
4. Membrane biological reactor system for treatment of oily wastewater: pilot to full scale results;Knoblock;Water Environ. Research,1994
5. Sutton, P.M., 1987. Biological treatment of surface and groundwater. Pollution Engineering Magazine, July, 86–89