Universidad de Zaragoza Repository

@article{BernalPérez:47878,
      author        = "Serrano Frago, Patricia and Bernal Pérez, Milagros and
                       Gil Martínez, Pedro and Gil Sanz, María Jesús",
      title         = "{}",
      year          = "2007",
      note          = "Presentado:  29 06 2007",
}