Jansen, Roland A.  <br/><br/>
Profits from natural resources :  how to make big money investing in metals, food and energy / 
Roland A. Jansen. 
 - New York :  John Wiley and sons,  c 1999. 
 - 296 p. 
<br/><br/><label>ISBN: </label>047129523x 
<br/><br/><label>Dewey Class. No.: </label>332.6328