PT - JOURNAL ARTICLE AU - W. G. Knisel AU - R. A. Leonard AU - E. B. Oswald TI - Nonpoint-source pollution control: A resource conservation perspective DP - 1982 Jul 01 TA - Journal of Soil and Water Conservation PG - 196--199 VI - 37 IP - 4 4099 - http://www.jswconline.org/content/37/4/196.short 4100 - http://www.jswconline.org/content/37/4/196.full