Strong-motion instrumental data on the San Fernando earthquake of February 9, 1971 :  a report prepared with the assistance of grants from the National Science Foundation and the Earthquake Research Affiliates / 
[edited by] D.E. Hudson ... [et. al.]. 
 - [California] :  [Earthquake Engineering Research Laboratory],  1971. 
 - vi, 259 p. :  ill., maps ;  28 cm. 
<br/><br/>Bibliography : p. 237-238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismometry.<br/>Earthquakes--San Francisco.