?url_ver=Z39.88-2004&rft_id=doi%3A10.1111%2Fj.1365-246X.2009.04219.x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Zaccarelli%2C+L.&rft.aulast=Zaccarelli&rft.aufirst=L.&rft.issue=3&rft.volume=178&rft.date=2009&rft.issn=0956-540X&rft.atitle=Temporal+changes+in+seismic+wave+propagation+towards+the+end+of+the+2002+Mt+Etna+eruption&rft.title=Geophysical+Journal+International&rft.pages=1779-1788&rft.genre=article