Walker, N.D. <br/><br/>
Study of a method of feasible directions for optimal elasti-c design of framed structures subjected to earthquake loadi-ng / by N.D. Walker, K.S. Pister 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 94 p. 
 - Report ; No. UCB / EERC 75-39. .
<br/><br/> "Prepared under the sponsorship of the National Science Fou-ndation Grant AEN 73-07732 A02".