Clough, Ray W. <br/><br/>
Earthquake simulator study of a steel frame structure. Vol.-I: experimental results / by Ray W. Clough, David T. Tang. 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 275 p. 
 - Report ; No. UCB / EERC 75-6. .
<br/><br/> Report to the National Science Foundation and the American -Iron and Steel Institute.