Universidad de Zaragoza Repository

@article{BeltránGracia:33309,
      author        = "Beltrán Gracia, José Antonio and Raso Pueyo, Javier and
                       Sánchez Gimeno, Ana Cristina and Negueruela Suberviola,
                       Ángel Ignacio and Roncales Rabinal, Pedro",
      title         = "{}",
      year          = "2014",
}