1. Enhanced accumulation of lead in Indian Mustard by soil-applied chelating agents;Blaylock;Environ. Sci. Technol.,1997
2. The raison d'ětre for metal hyperaccumulation by plants;Boyd,1994
3. Plants That Hyperaccumulate Heavy Metals,1998
4. Detection of nickeliferous rocks by analysis of herbarium specimens of indicator plants;Brooks;J. Geochem. Explor.,1977
5. 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 Community);Off. J. Eur. Communities L181 (86/278/EEC),1986