?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Viegas%2C+Gisela&rft.aulast=Viegas&rft.aufirst=Gisela&rft.volume=34&rft.date=December+2010&rft.issn=0193-5933&rft.atitle=Source+Characteristics+of+Micro-Earthquakes+at+the+Northwest+Geysers+Geothermal+Field%2C+California&rft.title=Geothermal+Resources+Council+Transactions&rft.pages=1265-1272&rft.genre=article