Silva, José Luiz Silvério da, Mariana Ribeiro Santiago, Malva Andrea Mancuso, Carlos Alberto Löbler, Valderi Luiz Dressler, Teresa Condesso de Melo, and Marcelo Goffermann. 2014. “ANOMALOUS CONCENTRATIONS OF FLUORINE IN GROUNDWATERS”. Ciência E Natura 36 (2):745-68. https://doi.org/10.5902/2179460X13457.