@article{2011,  volume={41},  ISSN={0100-1574},  url={https://doi.org/10.1590/S0100-15742011000100001},  DOI={10.1590/S0100-15742011000100001},  number={142},  journal={Cadernos de Pesquisa},  publisher={Fundação Carlos Chagas},  year={2011},  month={Jan},  pages={8–10} }