@article{MartínezVillén:55516,
      author        = "Martínez Villén, Gregorio and Polo Llorens, Vicente and
                       Larrosa Poves, José Manuel and Güemes Sánchez, Antonio
                       Tomás and Martínez Díez, Mariano and González Ramos,
                       Pedro Jesús",
      title         = "{}",
      year          = "2015",
}