TY - BOOK AU - Kelly, James M. AU - Beucke, Karl E., coaut.Skinner, Mark S., coaut. ED - University of California, Berkeley. Earthquake Engineering -Research Center TI - Experimental testing of a friction damped aseismic base iso-lation system with fail-safe characteristics / by James M.- Kelly, Karl E. Beucke, Mark S. Skinner CY - Berkeley, Calif. : University of California, College of Engineering ER -