@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={Sept}, pages={537–538} }