@article{bôas_2010,  title={
       },  volume={40},  ISSN={0100-1574},  url={https://doi.org/10.1590/S0100-15742010000300019},  DOI={10.1590/S0100-15742010000300019},  number={141},  journal={Cadernos de Pesquisa},  publisher={Fundação Carlos Chagas},  author={Bôas, Lúcia P. S. Villas},  year={2010},  month={Dec} }