@article{prasad_2000,  title={The principal problems of aluminum electrowinning: an update},  volume={17},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322000000200009},  DOI={10.1590/S0104-66322000000200009},  number={2},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Prasad, S.},  year={2000},  month={Jun},  pages={211–218} }