6C. T. Smith,et al. The use of Ultrafiltration Membrane for Activated Sludge Separation. Presented paper of 24th Annual Purdue Industrial Wastewater Conference. 1969:75-80.
7C. Chiemchaisri,Y. K. Wong,T. Urase,K. Yamamoto. Organic Stabilization and Nitrogen Removal in Membrane Separation Bioreactor for Domestic Wastewater Treatment. Water Science and Technology. 1992,25 (10) :171 - 178.
8W. R. Ross,J. P. Barnard,N. D. H. Strohwald. Practical Application of the ADUF Process to the Full Scale Treatment of a Maize Processing Effluent. Wastewater . Water Scienceand Technology. 1992,25(10) :27-31.
