@article{andrade_1986,  title={A intervenção do Estado e a seca no Nordeste do Brasil},  volume={6},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571986-4125},  DOI={10.1590/0101-31571986-4125},  number={4},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={ANDRADE, MANUEL CORREIA DE},  year={1986},  month={Oct},  pages={646–654} }