@article{oliveira_2014,  title={Ionosphere-magnetosphere coupling and field-aligned currents},  volume={36},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11172014000100005},  DOI={10.1590/S1806-11172014000100005},  number={1},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Oliveira, D.},  year={2014},  month={Jan},  pages={1305} }