Li Heng, Arnold Robert G, Betterton Eric A, Ela Wendell P, Barbaris Brian
Department of Chemical and Environmental Engineering, University of Arizona, P.O. Box 210011, Tucson 85721, USA.
Water Res. 2004 Jun;38(11):2791-2; discussion 2793-4. doi: 10.1016/j.watres.2003.11.027.