@article{küchler_miekeley_forsberg_2000,  title={A contribution to the chemical characterization of rivers in the Rio Negro Basin, Brazil},  volume={11},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532000000300015},  DOI={10.1590/S0103-50532000000300015},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Küchler, Ivo L. and Miekeley, Norbert and Forsberg, Bruce R.},  year={2000},  month={May},  pages={286–292} }