PT - JOURNAL ARTICLE AU - Ken Cook TI - Soil conservation: PIK in a poke DP - 1983 Nov 01 TA - Journal of Soil and Water Conservation PG - 475--476 VI - 38 IP - 6 4099 - http://www.jswconline.org/content/38/6/475.short 4100 - http://www.jswconline.org/content/38/6/475.full