@revista_internacional{603,
  author = {E. Herrera-Viedma and J. Bernabé-Moreno and Carlos Porcel and M.A. Martínez},
  title = {Solidarity in Social Media: when users abandon their comfort zone - The Charlie Hebdo case},
  year = {2015},
  journal = {Icono 14},
  volume = {13},
  pages = {6-22},
  doi = {http://dx.doi.org/10.7195/ri14.v13i2.888},
}