Vanmarcke, Erik H. <br/><br/>
State of the art for assessing earthquake hazards in the Un-ited States report 14: representation of earthquake ground- motion scalad accelerograms and equivalent response spectr-a / by Erik H. Vanmarcke. 

 - Vicksburg, Miss. : Army Engineering Waterways Experiment Station 
 - [86] p. 
 - Report; 14 .