Universidad de Zaragoza Repository

@article{VenturaFaci:3211,
      author        = "Villarreal Salcedo, Isabel and Ventura Faci, Tirso  and
                       Pelegrín Valero, C.",
      title         = "{}",
      year          = "2008",
      note          = "Presentado:  12 12 2008",
}