Kersten, D. S.; Marion, F. A.; Kersten, M. F. M.; Awe, G. O.; Bariani, C. J. de M. V. Environmental Mapping of Áreas Vulnerable to Contamination in the Guarani Aquifer in the Municipality of Faxinal Do Soturno – RS, Brazil. CeN 2015, 37, 186-197.