Cozkley,George J. <br/><br/>
International strategic minerale inventory summary report  : a regional assessment of sected mineral commodities in subequatorial africa 
/ George J. Coakley, Richard N. Gockett,Erik C.I. Hammerbeck 
. - [S.L]  : united states department of the interior, bureau of mines, 1991
. - 44 p.  : couv.ill.en coul  ; 28 cm.  cartes 
<br/><br/><label>Universal Decimal Class. No.: </label>553.COA