Universidad de Zaragoza Repository

@article{SerraPuyal:46065,
      author        = "Serra Puyal, José Ramón and Serra Puyal, José Ramón
                       and Pradas de la Fuente, Francisco and Estrada Marcén,
                       Nerea Cristina and Estrada Marcén, Nerea Cristina",
      title         = "{}",
      year          = "2010",
}