Universidad de Zaragoza Repository

@article{UrbinaPérez:41652,
      author        = "Urbina Pérez, Olga and Tomás Buisán, Luis Carmelo and
                       Murillo Luna, Josefina Lucía and Torres Quílez, Jorge and
                       Barbero Lahoz, Jose Miguel",
      title         = "{}",
      year          = "2012",
}