@article{2004,  volume={34},  ISSN={0100-1574},  url={https://doi.org/10.1590/S0100-15742004000300001},  DOI={10.1590/S0100-15742004000300001},  number={123},  journal={Cadernos de Pesquisa},  publisher={Fundação Carlos Chagas},  year={2004},  month={Sep},  pages={537–538} }