Bullen, K. E.  1906- <br/><br/>
An introduction to the theory of seismology / 
K.E. Bullen & Bruce A. Bolt 
 - Fourth edition 
 - Cambridge, [England] :  Cambridge University Press,  1985. 
 - viii, 499 pages :  illustrations. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: pages 474-477 ; References: pages 478-488. 
<br/><br/><label>ISBN: </label>052123980x (hard covers) 9780521283892 (paper back) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismology.<br/>Sismología.
<br/><br/><label>Dewey Class. No.: </label>551.22