Bullen, Keith Edward,  1906-, <br/><br/>
An introduction to the theory of seis mology / 
By k. e. bullen 
 - 2 
 - 296 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sismología
<br/><br/><label>LC Class. No.: </label>QE534  / B85 1953