@article{1991,  ISSN={0102-6445},  url={https://doi.org/10.1590/S0102-64451991000100001},  DOI={10.1590/S0102-64451991000100001},  number={23},  journal={Lua Nova: Revista de Cultura e Política},  publisher={CEDEC},  year={1991},  month={Mar},  pages={3–3} }