Gulkan, Polat <br/><br/>
Strength of timber roof connections subjected to cyclic loa-ds / by Polat Gulkan, Ronald L. Mayes, Ray W. Clough 

 - Berkeley, Calif. : University of California, College of Engineering 
 - 132 p. 
 - Report ; No. UCB / EERC 78-17 .
<br/><br/> "Report to Department of Housing and Urban Development".