1. Alloway, B. J., Zhang, P., Mott, C., Smith, S. R., Chambers, B. J., Nicholson, F. A., Calton-Smith, C., & Andrews A. J. (2000). The vulnerability of soils to pollution by heavy metals (Final Report for MAFF Project No. SP0127), London: MAFF.
2. Ayrault, S., Senhou, A., Moskura, M., & Gaudry, A. (2010). Atmospheric trace element concentrations in total suspended particles near Paris, France. Atmospheric Environment. doi:
10.1016/jatmosenv. 2010.060035
.
3. Baize, D., & Chretien, J. (1994). Les couverture pédologiques de la plate-forme sinémurienne en Bourggone: Particularities morphololgiques et pédo-géochemiques. Étude et Gestion des Sols,2, 7–27.
4. Bak, J., Jensen, J., Larsen, M. M., Pritzl, G., & Scott-Fordsmand, J. (1997). A heavy metal monitoring-programme in Denmark. The Science of the Total Environment, 207, 179–186.
5. Bellows, B. C. (2005). Arsenic in poultry litter: Organic regulations.
www.attra.org/attra-pub/arsenic_poultry_litter.html