@article{salles_2013,  title={A segunda escravidão},  volume={19},  ISSN={1413-7704},  url={https://doi.org/10.5533/TEM-1980-542X-2013173514},  DOI={10.5533/TEM-1980-542X-2013173514},  number={35},  journal={Tempo},  publisher={EdUFF - Editora da UFF},  author={Salles, Ricardo},  year={2013},  month={Jul},  pages={249–254} }