PT - JOURNAL ARTICLE AU - Craig A. Cox TI - The promise and peril of biofuels DP - 2007 Sep 01 TA - Journal of Soil and Water Conservation PG - 88A--89A VI - 62 IP - 5 4099 - http://www.jswconline.org/content/62/5/88A.short 4100 - http://www.jswconline.org/content/62/5/88A.full