@article{almeida_2001,  title={Leaching of a gold bearing partially roasted sulphide. Laboratory scale studies},  volume={4},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392001000400014},  DOI={10.1590/S1516-14392001000400014},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Almeida, M.F.},  year={2001},  month={Oct},  pages={305–314} }