@article{sostenibilidad:90616,
      author       = "Melia Hotels International ",
      title        = "<a
                      href="/search?f=title&p=Memor%C3%ADa%20anual%20de%20sostenibilidad&sc=1&ln=en">Memoría
                      anual de sostenibilidad</a>",
      year         = "2011",
}