1. Adamson A. H. Lead and arsenic pollution of grass around a smelter. In Inorganic Pollution and Agriculture, MAFF Reference Book 326, pp. 77–83. HMSO, London.
2. Report ARCRL 12;Agricultural Research Council,1964
3. Trace elements in soils in England and Wales;Archer,1980
4. 210Pb in the atmosphere and in fallout;Baranov;Soviet Atomic Energy,1965
5. Airborne lead levels throughout Birmingham;Barratt;Int. Envir. Safety,1980