Boroschek, Ruben L. <br/><br/>
Investigation of the seismic response of a lightly-damped t-orsionally coupled building / by Ruben L. Boroschek, Stephe-n A. Mahin 

 - Berkeley, Calif. : g Research Center 
 - [274] p. 
 - Report ; no.UCB/EERC 91-18 .