Universidad de Zaragoza Repository

@article{MartínezAlfaro:38448,
      author        = "Martínez Alfaro, María Jesús and Deleyto Alcalá,
                       Celestino Sigifredo and Urtiaga Echevarría, María
                       Rosaura",
      title         = "{}",
      year          = "2013",
}