?url_ver=Z39.88-2004&rft_id=doi%3A10.1103%2FPhysRevE.77.066104&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Davidsen%2C+J%C3%B6rn&rft.aulast=Davidsen&rft.aufirst=J%C3%B6rn&rft.issue=6&rft.volume=77&rft.date=6+June+2008&rft.issn=1539-3755&rft.atitle=Networks+of+recurrent+events%2C+a+theory+of+records%2C+and+an+application+to+finding+causal+signatures+in+seismicity&rft.title=Physical+Review+E&rft.genre=article