CLIMENT, M. J.; SÁNCHEZ-MARTÍN, M. J.; RODRÍGUEZ-CRUZ, M. S.; PEDREROS, P.; URRUTIA, R.; HERRERO-HERNÁNDEZ, E. DETERMINATION OF PESTICIDES IN RIVER SURFACE WATERS OF CENTRAL CHILE USING SPE-GC-MS MULTI-RESIDUE METHOD. Journal of the Chilean Chemical Society, v. 63, n. 2, 25 Jun. 2018.