1. Terrestrial higher plants which hyperaccumulate metallic elements — a review of their distribution, ecology and phytochemistry;Baker;Biorecovery,1989
2. In situ decontamination of heavy metal polluted soils using crops of metal-accumulating plants — a feasibility study;Baker,1991
3. Hyperaccumulation of nickel by Alyssum L. (Cruciferae);Brooks,1979
4. Council Directive of 12 June 1986 on the protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture;CEC (Commission of the European Communities);Official Journal of the European Communities,1986
5. Plant uptake of inorganic waste constituents;Chaney,1983