@article{2012, volume={42}, ISSN={0100-1574}, url={https://doi.org/10.1590/S0100-15742012000100001}, DOI={10.1590/S0100-15742012000100001}, number={145}, journal={Cadernos de Pesquisa}, publisher={Fundação Carlos Chagas}, year={2012}, month={Jan}, pages={8–9} }