?url_ver=Z39.88-2004&rft_id=doi%3A10.1785%2Fgssrl.80.3.494&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Klugel%2C+Jens-Uwe&rft.aulast=Klugel&rft.aufirst=Jens-Uwe&rft.issue=3&rft.volume=80&rft.date=May+2009&rft.issn=0895-0695&rft.atitle=Comment+on+%22Sigma%3A+Issues%2C+Insights+and+Challenges%22+by+F.+O.+Strasser%2C+N.+A.+Abrahamson%2C+and+J.+J.+Bommer&rft.title=Seismological+Research+Letters&rft.pages=494-498&rft.genre=article