Wellmer, Friedrich-Wilhelm <br/><br/>
Economic evaluations in exploration 

 - 2nd ed 
 - New York  Springer-Verlag  2008 
 - xiv; 250p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries-Accounting<br/>Production economics<br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.2/WEL