1. Vegetation and erosion: processes and environments;Thornes,1990
2. Soil erosion and conservation;Morgan,1996
3. USDA-Water Erosion Prediction Project (WEPP), hillslope profile and watershed model documentation;Flanagan,1995
4. A soil erosion model incorporating seasonal factors;Kirkby,1987
5. CREAMS, a field scale model for chemicals, runoff and erosion from agricultural management systems;Knisel,1980