@article{santos_teixeira_2015,  title={Interests and Values in Obama's foreign Policy: Leading from Behind?},  volume={58},  ISSN={0034-7329},  url={https://doi.org/10.1590/0034-7329201500207},  DOI={10.1590/0034-7329201500207},  number={2},  journal={Revista Brasileira de Política Internacional},  publisher={Centro de Estudos Globais da Universidade de Brasília},  author={SANTOS, MARIA HELENA DE CASTRO and TEIXEIRA, ULYSSES TAVARES},  year={2015},  month={Jul},  pages={119–145} }