Impact of anthropogenic activity on the Hg concentrations in the Piracicaba river basin (São Paulo State, Brazil) - Fostier, Anne Helene; Falotico, Miriam Helena Bueno; Ferraz, Epaminondas Sansigolo de Barros; Tomazelli, Andréa Cristina; Salomão, Marcos Sarmet Moreira de Barros; Martinelli, Luiz Antonio; Victoria, Reynaldo Luiz (Water, Air, & Soil Pollution, 2005)