?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Smolin&rft.au=Smolin%2C+JA&rft.aufirst=JA&rft.issue=8&rft.title=Physical+review+letters&rft.date=2006&rft.atitle=Locking+information+in+black+holes&rft.volume=96&rft.genre=article