@article{article994cf6d3,
title   = {Methodology to assess groundwater pollution conditions (current and pre-disposition) in the São Carlos and Ribeirão Preto regions, Brazil},
author = {Zuquette, Lázaro Valentin and Palma, Janaina Barrios and Pejon, Osni José},
year = {2009},
doi = {10.1007/s10064-008-0173-y},
journal   = {Bulletin of Engineering Geology and the Environment}
}