?url_ver=Z39.88-2004&rft_id=10.1016%2F0360-5442(96)00001-1&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nakicenovic%2C+N.&rft.aulast=Nakicenovic&rft.aufirst=N.&rft.issue=3&rft.volume=21&rft.date=March+1996&rft.issn=1873-6785&rft.atitle=Regional+and+global+exergy+and+energy+efficiencies&rft.title=Energy&rft.pages=223-237&rft.genre=article