@article{zyngier_araújo_lima_2000,  title={Soft sensors with white- and black-box approaches for a wastewater treatment process},  volume={17},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322000000400008},  DOI={10.1590/S0104-66322000000400008},  number={4-7},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Zyngier, D. and Araújo, O.Q.F. and Lima, E.L.},  year={2000},  month={Dec},  pages={433–440} }