@article{costa_1993,  title={(Im)propriedades da moeda},  volume={13},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571993-0650},  DOI={10.1590/0101-31571993-0650},  number={2},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={COSTA, FERNANDO NOGUEIRA DA},  year={1993},  month={Apr},  pages={232–247} }