@article{TorrecillaCabezon:43789,
      author        = "Torrecilla Cabezon, Eduardo and Laguna Lozano, Maria Pilar
                       and Arasanz Lisón, María Concepción and Gómez Ibáñez,
                       María Inmaculada and Royo Espallargas, Juan José and
                       Gracia Lozano, José Luis and Hernanz Pérez, Carlos and
                       Hernanz Pérez, Carlos and Guzman Estepa, Violeta",
      title         = "{}",
      year          = "2011",
}