1. Alloway, B.J. (1990) Soil processes and the behaviour of metals. In: Alloway, B.J. (ed.),Heavy metals in soils, pp. 7–28. Blackie Academic and Professional, Glasgow.
2. Baker, D.E. (1990) Copper. In: Alloway, B.J. (ed.),Heavy metals in soils, pp. 151–176. Blackie Academic and Professional, Glasgow.
3. Brady, W.D., Eick, M.J., Grossl, P.R. and Brady, P.V (2003) A site-specific approach for the evaluation of natural attenuation at metals-impacted sites.Soil Sediment Contam., Il, 541–564.
4. Lu, R.K. (2000)Analysis methods in soil agrochemistry (in Chinese). Chinese Agricultural Science and Technology Press, Beijing.
5. Sparks, D L (2003)Environmental soil chemistry, 2nd edn Academic Press, New York.