Warren, Kenneth <br/><br/>
Mineral resources 

 - England :  Penguin books,  1973. 
 - xv,272p.;  ill.;  20cm 
<br/><br/><label>ISBN: </label>0-14-021583-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chandrens'  Literature
<br/><br/><label>Dewey Class. No.: </label>549  / WAR