Sullivan, Walter  <br/><br/>
Assault on the unknown:   The international geophysical year  

 - New York:   Mcgraw-Hill Book Company,   1961  
 - xiv, 460p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geophysical 
<br/><br/><label>Subjects--Index Terms: </label>Aeronautics  
<br/><br/><label>Universal Decimal Class. No.: </label>550.3  / K1