1. 1980. Suspended, settleable, and total dissolved solids in waters and effluents. Methods for the Examination of Waters and Associated Materials. Her Majesty's Stationery Office: London.
2. . 1995. Leaching of Dissolved Organically Bound Phosphorus, DLO Research Institute for Agrobiology and Soil Fertility (AB-DLO), Wageningen.
3. Sediment sources in the Upper Severn catchment: a fingerprinting approach