1. Trace element content of soils affected by base metal mining in Wales;Alloway;Geoderma,1971
2. Sediment-water interactions; the physical transport of heavy metals in the fluvial system;Bradley,1988
3. Heavy metals in the Hamps and Manifold valleys;Bradley,1986
4. Scottish metalliferous mining 1845–1913: detailed returns from the mineral statistics;Burt;Ind. Archacol.,1981
5. Metal Pollution in the Aquatic Environment;Förstner,1989