TY - BOOK ED - University of California, Earthquake Engineering Research C-enter TI - Earthquake engineering research at Berkeley 1980: papers pr-esented by faculty participants and research personnel asso-ciated with the Earthquake Engineering Research Center at t-he Seventh World Conference on Earthquake Engineering Istan-bul, Turkey, september 1980 CY - Berkeley, Calif. : University of California, College of Engineering ER -