GEOPHYSICAL ABSTRACTS / 
U.S. Geological Survey. 
 -- Washington :   United States, Department of the Interior  
 - 1971. -- 
<br/><br/>ISSN 0309-4332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geofísica
<br/><br/><label>Universal Decimal Class. No.: </label>550.3(051.6)