1. Nicholson FA, Smith SR, Alloway BJ, et al. An inventory of heavy metals inputs to agricultural soils in England and Wales. Science of the Total Environment, 2003; 311(1-3): 205-19.
2. Ministry of Environmental Protection of the People's Republic of China. Bulletin on Chinese domestic environmental conditions of 2000 year, http://jcs.mep.gov.cn/hjzl/zkgb/2000/. 2002/11/25.
3. Zhou DM, Hao XZ, Xue Y, et al. Advances in remediation technologies of contaminated soils. Ecology and Environmental Sciences, 2004; 13(2): 234-42.
4. Qian SQ, Liu Z. An overview of development in the soil-remediation technologies. Chemical Industrial and Engineering Process, 2000; 4: 10-2, 20.
5. Zhou QX. Technological reforger and prospect of contaminated soil remediation. Chinese Journal of Environmental Engineering, 2002; 3(8): 36-40.