@article{couto2015ABC,
  title={Structural Properties of the Brazilian Air Transportation Network},
  author={Guilherme Couto, Ana Paula Silva, Linnyer Ruis, and Fabrício Benevenuto},
  journal={Anais da Academia Brasileira de Ciências},
  volume={87},
  number={3},
  pages={1653--1674},
  year={2015}
}