2012. Environmental fragility and susceptibility mapping using geographic information systems: applications on Ribeirão do Pinhal watershed (Limeira, State of São Paulo) - doi: 10.4025/actascitechnol.v34i4.10005. Acta Scientiarum. Technology. 34, 4 (maio 2012), 433–440. DOI:https://doi.org/10.4025/actascitechnol.v34i4.10005.