Universidad de Zaragoza Repository

@article{GarcésAyerbe:38354,
      author        = "Garcés Ayerbe, Concepción and Pérez Calle, Ricardo
                       Diego and Gutiérrez Ilarduya, Jesús José and Acero
                       Fraile, Isabel",
      title         = "{}",
      year          = "2013",
}