Physics of the earth :  seismology. 

 - Washington :  The National Academy of Sciences,  1933. 
 - 223 p. :  il. ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sismología
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>550.34