Zimmermann, Erich W. <br/><br/>
Introduction to world resources 
/ Erich W.Zimmermann; Ed. by Henry L. Hunker 
 - New York:  Harper & Row,  1964. 
 - viii, 220 p. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Resources
<br/><br/><label>Dewey Class. No.: </label>333.7  / ZIM