Cahen, Lucien <br/><br/>
The geochronology of Equatorial Africa /    
L. Cehen and N. J. Snell ing 
 - Amsterdam :   North-Holland Publishing Co. ,   1966 
 - viii, 195 p.;    26 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology ----Africa, Central----
<br/><br/><label>Dewey Class. No.: </label>556.7