@article{RamírezdelaPiscina:88383,
      author        = "Ramírez de la Piscina, P. and Barreras, F. and Gil, V.
                       and Pastor, E.",
      title         = "{Preface to the special issue on the European Hydrogen
                       Energy Conference 2018, EHEC2018, Malaga, Spain}",
      year          = "2019",
}