?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Wieland%2C+Martin&rft.aulast=Wieland&rft.aufirst=Martin&rft.date=September+2006&rft.title=Earthquake+safety+of+existing+dams&rft.genre=proceeding