Caceres, O. Tundisi, J.G. Castellan, O.A.M. Residuos de inseticidas organoclorados na represa do Broa e nos seus rios tributarios [Sao Paulo; Brasil] Chlorinated pesticides residues in waters of Broa reservoir and its tributaries [Sao Paulo; Brazil] Subjects--Topical Terms: PoluicaoInseticidaRepresa do broaSao Paulo