@article{BeltránGracia:37719,
      author        = "Beltrán Gracia, José Antonio and Olaizola Tolosana, Ana
                       María and Raso Pueyo, Javier and Oliva Alcubierre, Miriam
                       and Bayarri Fernández, Susana and Maza Rubio, María
                       Teresa and Roncales Rabinal, Pedro and Millán Fuertes,
                       Amado Antonio and García Gonzalo, Diego",
      title         = "{}",
      year          = "2013",
}