?url_ver=Z39.88-2004&rft_id=doi%3A10.1785%2F0120050053&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Hainzl%2C+Sebastian&rft.aulast=Hainzl&rft.aufirst=Sebastian&rft.issue=1&rft.volume=96&rft.date=February+2006&rft.issn=0037-1106&rft.atitle=Estimating+Background+Activity+Based+on+Interevent-Time+Distribution&rft.title=Bulletin+of+the+Seismological+Society+of+America&rft.pages=313-320&rft.genre=article