Universidad de Zaragoza Repository

@article{MartínezPérez:45445,
      author        = "Martínez Pérez, Concepción María and Gallego Tapia,
                       María Pilar and Otal Cinca, Javier and Bernal Acero,
                       Eulalio and Espuelas Romero, Alberto and Ponce Guajardo,
                       Julia",
      title         = "{}",
      year          = "2010",
}