Article
Journal of the Chilean Chemical Society  

Evaluation of biological and physicochemical relationships as indicators of water quality in Toltén river basin, araucanía, Chile: preliminary results.

Guerrero-Jimenez C.J.; Rabert, C.; Sáez-Arteaga, A.; Loncoman, N.; Torres, G.; Flores, T.; Llanquín-Rosas, F.; Valenzuela, M.L.; Moreno, R.