Universidad de Zaragoza Repository

@article{TobesMonzon:45568,
      author        = "Tobes Monzon, Julio and Tobes Monzon, Julio and Cubillas
                       Gonzalez, Gregorio and Sobejano Alonso, Frumencio and
                       Sobejano Alonso, Frumencio",
      title         = "{}",
      year          = "2010",
}