@article{ÁlvarezÁlvarez:41990,
      author        = "Álvarez Álvarez, Jesús and Callejero Cornao, Bernardino
                       and Ibáñez Carabantes, Pedro Gaspar and Velasco Ortiz,
                       Carlos Alberto and Germán Bueno, Ángel Fernando and
                       Cerdán Gracia, José Luis and Zubiaurre Eizaguirre,
                       Verónica De Jesús and Royo Sánchez, Ana Cristina and
                       Calvo Lalanza, Agustín Manuel and Gracia Laguna, Rosario
                       and Diago Ferrer, Laura",
      title         = "{}",
      year          = "2012",
}