1. Basin scale water quality model;Arnold,1991
2. SWRRB (A Basin Scale Simulation Model for Soil and Water Resources Management);Arnold,1989
3. Why model?;Barfield,1991
4. A morphometric approach to soil erosion on agricultural land near Lewes, East Sussex;Boardman,1984
5. Severe erosion on agricultural land in East Sussex, UK, October 1987;Boardman;Soil Technol.,1988