?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Molina%2C+Sergio&rft.aulast=Molina&rft.aufirst=Sergio&rft.issue=1-2&rft.volume=42&rft.date=9+June+2001&rft.issn=0006-6729&rft.atitle=Probabilistic+seismic+hazard+analysis%3A+zoning+free+versus+zoning+methodology&rft.title=BOLLETTINO+DI+GEOFISICA+TEORICA+ED+APPLICATA&rft.pages=19-39&rft.genre=article