@article{comasseto_1997,  title={
       },  volume={20},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40421997000500022},  DOI={10.1590/S0100-40421997000500022},  number={5},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Comasseto, João Valdir},  year={1997},  month={Sep},  pages={573–574} }