PT - JOURNAL ARTICLE AU - Scaling, Wilson TI - The flexibility of sustainable agriculture DP - 1990 Jan 01 TA - Journal of Soil and Water Conservation PG - 93--94 VI - 45 IP - 1 4099 - http://www.jswconline.org/content/45/1/93.short 4100 - http://www.jswconline.org/content/45/1/93.full