?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=T%C3%B6r%C3%B6k&rft.au=T%C3%B6r%C3%B6k%2C+T&rft.aufirst=T&rft.pages=453+-477&rft.atitle=Initiation+of+coronal+mass+ejections+by+sunspot+rotation&rft.issn=0038-0938&rft.date=September+2013&rft.title=Solar+Physics&rft.volume=286&rft.issue=2&rft.genre=article