?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Campbell%2C+Kenneth+W.&rft.aulast=Campbell&rft.aufirst=Kenneth+W.&rft.date=July+2003&rft.isbn=9780124406582&rft.title=Strong-+Motion+Attenuation+Relations&rft.btitle=International+handbook+of+earthquake+and+engineering+seismology&rft.tpages=1948&rft.genre=bookitem