@article{cohn_marcovitch_2001,  title={Abertura},  ISSN={0102-6445},  url={https://www.scielo.br/j/ln/a/NPxpYcCHvtBtwmvy5DS4rkH/},  number={54},  journal={Lua Nova: Revista de Cultura e Política},  publisher={CEDEC},  author={Cohn, Amélia and Marcovitch, Jacques},  year={2001},  pages={5–9} }