Skinnner,Brian. <br/><br/>
Earth Resources. 

 - ed. 
 - New Jersey :  Prentice hall,  1969. 
 - 149  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>earth  resources.