Zimmermann Erich W <br/><br/>
Introduction to world resources 

 - New  York Harper & Row USA     1964 
 - "viii,220p"  cm. 
<br/><br/> Bibliography at the end of each chapters 
<br/><br/><label>Standard No.: </label>140902 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Dewey Class. No.: </label>"X:27.1.N6, K4-;2/TD3"