PT - JOURNAL ARTICLE AU - H. E. Dregne TI - Erosion and soil productivity in Asia DP - 1992 Jan 01 TA - Journal of Soil and Water Conservation PG - 8--13 VI - 47 IP - 1 4099 - http://www.jswconline.org/content/47/1/8.short 4100 - http://www.jswconline.org/content/47/1/8.full