?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Sun&rft.aufirst=J&rft.au=Sun%2C+J&rft.date=27+January+2012&rft.issue=4&rft.atitle=Persistence+and+Eventual+Demise+of+Oxygen+Molecules+at+Terapascal+Pressures&rft.issn=0031-9007&rft.title=Physical+Review+Letters&rft.volume=108&rft.genre=article