Bullen, Keith Edward,  1906- <br/><br/>
An introduction to the theory of seismology / 
Keith Edward Bullen. 
 - 3rd ed. 
 - Cambridge [Eng.] :  University Press,  1963. 
 - viii, 381 p. :  ill. ;  23 cm. 
<br/><br/>Bibliogr.: p. 329-361. 
<br/><br/><label>ISBN: </label>0521043670 0521296862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismology