Nau, Robert F. <br/><br/>
Simulating and analyzing artifical non-stationary earthquak-e ground motions / by Robert F. Nau, Robert M. Oliver, Karl- S. Pister 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 60 p. 
 - Report ; No. UCB / EERC 80-36 .