1. Background to the nitrate problem in the UK;Archer,1993
2. WATBAL: a simple water balance model for an unsaturated-saturated soil profile;Berghuis-van,1985
3. Geological Maps: 20 NW, 20 NE, 13 SW and 13 SE of Fife. (1:10 000-scale Maps);British Geological Survey,1962
4. Council Directive concerning the quality of water intended for human consumption (EEC/80/778);Commission of European Communities;Official Journal of the European Community,1980
5. Council Directive concerning the protection of water against pollution by nitrates from agriculture (EEC/91/676);Commission of European Communities;Official Journal of the European Community,1991