Geochemical speciation and risk assessment of metals in sediments of the Lobo-Broa Reservoir, Brazil - Cervi, Eduardo Cimino; Fernandes, Felippe; Miranda, Renato Billia de; Mauad, Frederico Fábio; Michalovicz, Leandro; Poleto, Cristiano (Management of Environmental Quality: An International Journal, 2017)