@article{silva_dick_2000,  title={Development of a coulometric method for the determination of gaseous sulfur compounds in urban atmospheres},  volume={11},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532000000200010},  DOI={10.1590/S0103-50532000000200010},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silva, Magali and Dick, Luis F. P.},  year={2000},  month={Mar},  pages={159–163} }