@article{Braga:2011Xv,
  author = "Braga, Carlos Roberto",
  title = "{Cosmic ray modulation associated to small and moderate geomagnetic storms during minimum solar activity}",
  doi = "10.22323/1.118.0004",
  journal = "PoS",
  year = 2011,
  volume = "CRA School",
  pages = "004"
}