?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.eneco.2009.10.004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Crampes&rft.aufirst=Claude&rft.issue=2&rft.volume=32&rft.date=March+2010&rft.atitle=Pumping+Storage+and+Cost+Saving&rft.title=Energy+Economics&rft.pages=325-333&rft.genre=article