@article{ferretti_2014,  title={Between prophecies and prognoses: Januário da Cunha Barbosa, slavery, and the future of the nation (1830-1836)1},  volume={20},  ISSN={1413-7704},  url={https://doi.org/10.1590/TEM-1980-542X-2014203625eng},  DOI={10.1590/TEM-1980-542X-2014203625eng},  journal={Tempo},  publisher={EdUFF - Editora da UFF},  author={Ferretti, Danilo José Zioni},  year={2014},  pages={00–00} }