@article{TorresPortero:42023,
      author        = "Torres Portero, Manuel and Velasco Ortiz, Carlos Alberto
                       and Fernández Monforte, Sergio and Zubiaurre Eizaguirre,
                       Verónica De Jesús and Torres Portero, Miguel Ángel and
                       Royo Sánchez, Ana Cristina and Velázquez Millán,
                       Roberto",
      title         = "{}",
      year          = "2012",
}