RT Journal Article SR Electronic T1 Nonpoint pollution control: The Wisconsin experience JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 55 OP 61 VO 40 IS 1 A1 John G. Konrad A1 James S. Baumann A1 Susan E. Bergquist YR 1985 UL http://www.jswconline.org/content/40/1/55.abstract AB