@article{vigevani_1989,  title={As modificações do sistema internacional e o Brasil},  ISSN={0102-6445},  url={https://doi.org/10.1590/S0102-64451989000300009},  DOI={10.1590/S0102-64451989000300009},  number={18},  journal={Lua Nova: Revista de Cultura e Política},  publisher={CEDEC},  author={Vigevani, Tullo},  year={1989},  month={Aug},  pages={127–148} }