Universidad de Zaragoza Repository

@article{MartínezVillén:40181,
      author        = "Martínez Villén, Gregorio and Polo Llorens, Vicente and
                       Larrosa Poves, José Manuel and Pérez García, Anastasio
                       Jesús José María and González Ramos, Pedro Jesús",
      title         = "{}",
      year          = "2013",
}