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 Harrington, Winston A1 Krupnick, Alan J. A1 Peskin, Henry M. YR 1985 UL http://www.jswconline.org/content/40/1/27.abstract AB