TY - BOOK AU - Clark, Peter W. AU - Aiken, Ian D. AU - Kelly, James M. TI - Experimental studies of the ultimate behavior of seismically- isolated structures T2 - Report No. UCB/EERC-97/18 December 1997 U1 - 624.1762 PY - 1997/// CY - Berkeley PB - University of California KW - Earthquake engineering -- Research ER -