1. Predicting cadmium concentrations in wheat and barley grain using soil properties;Adams;J. Environ. Qual.,2004
2. Trace Elements in Terrestrial Environments : Biogeochemistry, Bioavailability, and Risks of Metals/Domy C. Adriano;Adriano,2001
3. Metal fractionation in soils collected from selected cocoa plantations in Ogun state;Aikpokpodion;Nigeria. World Appl. Sci. J.,2012
4. Sources of heavy metals and metalloids in soils;Alloway,2013
5. Chapter 28. Nickel, Cadmium & Lead. En: SPARKS, D. 1996;Amacher,1996