Barber, L B, Antweiler, R C, Brown, G K, Keefe, S H, Peart, D B, Plowman, T I, Roth, D A, and Taylor, H E, 2003, Organic and trace element contaminants in water, biota, sediments, and semi-permeable membrane devices at the Tres Rios Demonstration Wetlands, Phoenix, Arizona: .