PT - JOURNAL ARTICLE AU - Madden, J. Patrick AU - O'Connell, Paul F. TI - LISA DP - 1990 Jan 01 TA - Journal of Soil and Water Conservation PG - 61--64 VI - 45 IP - 1 4099 - http://www.jswconline.org/content/45/1/61.short 4100 - http://www.jswconline.org/content/45/1/61.full