Bullen, K.E. <br/><br/>
Introduction to the theory of Seismology 

 - Cambridge  University Press  1963 
 - viii,381p.  20cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Seismology
<br/><br/><label>Dewey Class. No.: </label>551.22  / B95I