1. Copper;Baker,1990
2. Uptake, distribution and effects of metal compounds on plants;Berrow,1991
3. Environmental Geochemistry and Health;Bowie,1985
4. Toxic element accumulation in soils and crops: protecting soil fertility and agricultural food chains;Chaney,1989
5. Heavy metal pollution and food security;Chang;Yunnan Environ. Sci. (Suppl.),2001