Zimmermann's, Erich W. <br/><br/>
Interoduction to world resources 

 - New York  Harper & row  pub.  1964 
 - viii, 220 p. 
<br/><br/><label>ISBN: </label>221891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Resources
<br/><br/><label>Dewey Class. No.: </label>333.7  / ZIM