1. Soil erosion on the south Downs: a review;Boardman,1990
2. Hydrology of soil types: a hydrologically-based classification of the soils of the United Kingdom. IH Report No. 126;Boorman,1995
3. Nutrient and sediment loadings from a subsurface drainage system;Bottcher;Trans. ASAE,1981
4. An evolving perceptual model of hillslope flow at the Maimai catchment;Brammer,1996
5. Phosphate-saturated soils: a ‘new’ environmental issue;Breeuwsma,1992