1. Argaman, Y., Eliosov, B., and Papkov, G. (1995). Mass Transfer and Effluent Quality in Activated Sludge Systems." WEFTEC'95-68th Annual Conference of the Water Environment Federation, Miami Beach, FL, 191-199.
2. Asher, W. E. and Pankow, J. F. (1991a). "The Effect of Surface Films on Concentration Fluctuations Close to a Gas/Liquid Interface."Air-Water Mass Transfer: Selected Papers from the Second International Symposium on Gas Transfer at Water Surfaces, Minneapolis, MN, 68-80.