Beckmann,Heinz <br/><br/>
Geological Prospecting Of Petroleum 
Beckmann,Heinz 
 - New York  John Wiley & Sons  1918 
 - 165  Illustration,index & reference 
<br/><br/><label>ISBN: </label>470152095 
<br/><br/><label>Dewey Class. No.: </label>553.2  / B3893