@article{PedrazaGracia:44364,
      author        = "Pedraza Gracia, Manuel José and Martínez Herranz, Amparo
                       and Arce Oliva, Ernesto and Morte García, María del
                       Carmen and Giménez Navarro, Cristina",
      title         = "{}",
      year          = "2011",
}