Review of the natural resources of the African continent  
/ Unesco 
 - France:   Unesco,   1963  
 - 437p.  
 -  Natural resources research -I  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography 
<br/><br/><label>Subjects--Index Terms: </label>Science  
<br/><br/><label>Universal Decimal Class. No.: </label>330.15(6)  / K3