@article{SánchezPaniagua:43617,
      author        = "Sánchez Paniagua, María Lourdes and Pérez Cabrejas,
                       María Dolores and Calvo Rebollar, Miguel and Peiró
                       Esteban, José María and Oria Almudí, Rosa María Pilar
                       and Arias Alvarez, Maria Esther",
      title         = "{}",
      year          = "2011",
}