1. Agency for Toxic Substances and Disease Registry (ATSDR) (2011). Toxic Substances Portal. Chlorpyrifos. http://www.atsdr.cdc.gov/substances/toxsubstance.asp?toxid=88 . Accessed October 2011.
2. Boivin, A., Cherrier, R., & Schiavon, M. (2005). A comparison of five pesticides adsorption and desorption processes in thirteen contrasting field soils. Chemosphere, 61, 668–676.
3. CASAFE (Cámara de Sanidad Agropecuaria y Fertilizantes, Buenos Aires, Argentina) (2011). Available from: < http://www.casafe.org >. Accessed October 2011.
4. Cooper, C. M., Shields, F. D., Jr., & Knight, S. S. (1993). Beyond the fence: implications of agricultural erosion for aquatic ecosystems. Advances in Hydroscience, 1, 596–605.
5. Coquet, Y. (2002). Variation of pesticide sorption isotherm in soil at the catchment scale. Pest Management Science, 58, 69–78.