@article{vieira_2003,  title={Editorial},  volume={26},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422003000400001},  DOI={10.1590/S0100-40422003000400001},  number={4},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Vieira, Paulo Cezar},  year={2003},  month={Jul},  pages={459–459} }