?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Abrahamson%2C+Norman+A.&rft.aulast=Abrahamson&rft.aufirst=Norman+A.&rft.date=September+2006&rft.title=Seismic+hazard+assessment%3A+problems+with+current+practice+and+future+developments&rft.genre=proceeding