<?xml version="1.0" encoding="UTF-8"?>
<xml>
<records>
<record>
  <contributors>
    <authors>
      <author>Correas, L.C.</author>
      <author>Larrea, Á.</author>
      <author>Lázaro, M.J.</author>
      <author>Peña, J.Á.</author>
    </authors>
  </contributors>
  <titles>
    <title>Preface to the special issue on “The 21st World Hydrogen Energy Conference (WHEC 2016), 13–16 June 2016, Zaragoza, Spain”</title>
    <secondary-title>Int. j. hydrogen energy</secondary-title>
  </titles>
  <doi>10.1016/j.ijhydene.2017.04.027</doi>
  <pages/>
  <volume/>
  <number/>
  <dates>
    <year>2017</year>
    <pub-dates>
      <date>2017</date>
    </pub-dates>
  </dates>
  <abstract/>
</record>

</records>
</xml>