@article{aguirre_moraes_1997,  title={Questão Federativa no Brasil: um “Estado das Artes” da Teoria},  volume={17},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571997-0923},  DOI={10.1590/0101-31571997-0923},  number={1},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={AGUIRRE, BASILIA MARIA BAPTISTA and MORAES, MARCOS RIBEIRO DE},  year={1997},  month={Jan},  pages={131–147} }