Wellmer, Friedrich-Wilhelm <br/><br/>
Economic Evaluations in Exploration / 
by Friedrich-Wilhelm Wellmer, Manfred Dalheimer, Markus Wagner. 
 - 2nd ed. 
 - Berlin Heidelberg :  Springer-Verlag,  c1986. 
 - xiv, 250 p. :  ill. ;  24 cm. 
<br/><br/> Includes bibliographic references and index. 
<br/><br/><label>ISBN: </label>9783642092688 (pbk.) 3642092683 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--Accounting.<br/>Geology, Economic.
<br/><br/><label>Dewey Class. No.: </label>553  / WEL/E