?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Balikhin&rft.au=Balikhin%2C+M&rft.aufirst=M&rft.date=28+December+2005&rft.atitle=Ion+sound+wave+packets+at+the+quasiperpendicular+shock+front&rft.volume=32&rft.issue=24&rft.title=Geophysical+Research+Letters&rft.issn=0094-8276&rft.genre=article