Williams, David <br/><br/>
Experimental model studies on the seismic response of high -curved overcrossings / by David Williams and William G. God-den to U.S. Department of Transportation, Federal Highway A-dministration. 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 170 p. 
 - Report ; No. UCB / EERC 76-18 .