Strong motion earthquake accelerograms : digitized and plot-ted data : volume 2 corrected accelerograms and integrated -ground velocity and displacement curves, parts W and Y / Ca-lifornia Institute of Technology. 

 - Pasadena, Calif. : Research Laboratory 
 - 256 p. 
 - [Report] ; no. EERL 75-53 / CALTEC, Earthquake Engineering - Research Laboratory .