@article{matos_1999,  title={Carta ao editor},  volume={22},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40421999000300028},  DOI={10.1590/S0100-40421999000300028},  number={3},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Matos, Robson Mendes},  year={1999},  month={May},  pages={462–462} }