Trace element analysis of water from Toledo river using STXRF technique - Espinoza-Quiñomes, F R; Palacio, S M; Seolatto, A A; Lorenz, E K; Zacarkim, C E; Zenatti, D C; Rizzutto, Márcia de Almeida; Tabacniks, Manfredo Harri; Added, Nemitala; Liguori Neto, Raphael; Poli, V S; Barbosa, M D L (International Meeting on Applied Physics, 2003)