1. , and 1992. [Nutrient losses and crop yields in the Woburn erosion reference experiment], in Conserving Our Soil Resources, Proc. First Cong. of the European Soc. of Soil Conservation, Silsoe, 1992.
2. A flow-proportional water sampler for use in conjunction with a V-notch weir in small catchment studies
3. , , , and 1992. The effect of soil tillage and aggregate properties on mole-drain response to rainfall: theoretical background and preliminary results’, General Assembly of the European Geophysical Society, Edinburgh.
4. , and 1992. [Rivers], in (Ed.), Water Quality Assessments, Chapman and Hall, London, Ch. 6.
5. and 1992. EUROSEM: Model Documentation, Silsoe College, U.K., 34 pp.