Abrahao, R., Sarasa, J., Causape, J., Garcia-Garizabal, I. and Ovelleiro, J. L. (2011) “Influence of irrigation on the occurrence of organic and inorganic pollutants in soil, water and sediments of a Spanish agrarian basin (Lerma)”, Spanish Journal of Agricultural Research, 9(1), pp. 124-134. doi: 10.5424/sjar/20110901-208-10.