Efficient finite element analysis of seismic structure-soil-- structure interaction / by J. Lysmer...[et al.] 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 27 p. 
 - Report ; No. UCB / EERC 75-34. .
<br/><br/> "Paper to be presented at the Second ASCE Specialty Confere-nce on Structural Design of Nuclear Plant Facilities, New O-rleans, December 1975".