González, L.N.; González, A.;Tume, P. y Silva, A., 2001. "Hydrogeochemistry and behaviour of groundwater in the Río Laja Basin, Bío-Bío Region, Chile". In: CEST2001: 268-274, (Sept 2001), Grecia. (7th International Conference on Environmental Science and TechnologyErmoupolis, Syros island, Greece)
Aquel article (o seccion) es un esbòs. Podètz partejar vòstras coneissenças e o melhorar (cossí?).
