1. The contamination of agricultural land in the metalliferous province of southwest England: implications to livestock;Abrahams;Agric. Ecosyst. Environ.,1994
2. Allcroft, R., Burns, K.N., Herbert, C.N., 1965. Fluorosis in cattle. Ministry of Agriculture, Fisheries and Food. Animal Diseases Surveys, Report No. 2, Part 2. H.M.S.O., London.
3. Distribution of trace element pollutants in a contaminated ecosystem established on metalliferous fluorspar tailings;Andrews;Environ. Pollut.,1989
4. Total and extractable trace element content of soils in England and Wales;Archer;J. Soil Sci.,1987
5. Avery, B.W., Bascomb, C.L., 1974. Soil Survey Laboratory Methods. Tech. Monogr. Soil Survey Gt. Brit. 6. Harpenden, 83 pp.