Dibaj, Mostafa. <br/><br/>
Nonlinear seismic response of earth structures / by Mostafa- Dibaj, Joseph Penzien. 

 - Berkeley, Calif. : University of California, College of Engineering  enter, College of Enginering 
 - 149 p. 
 - Report ; No. UCB / EERC 69-2. .
<br/><br/> "Report to sponsor: State of California, Department of Wate-r Resources".