@article{2008,  volume={38},  ISSN={0100-1574},  url={https://doi.org/10.1590/S0100-15742008000200015},  DOI={10.1590/S0100-15742008000200015},  number={134},  journal={Cadernos de Pesquisa},  publisher={Fundação Carlos Chagas},  year={2008},  month={May},  pages={563–565} }