RT Journal Article SR Electronic T1 Policies for nonpoint-source water pollution control JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 27 OP 32 VO 40 IS 1 A1 Winston Harrington A1 Alan J. Krupnick A1 Henry M. Peskin YR 1985 UL http://www.jswconline.org/content/40/1/27.abstract AB