Cahen, L. <br/><br/>
The geochronology of Equatorial Africa / 
by L. Cahen and N. J. Snelling 
 - Amsterdam :  North-Holland Publishing,  1966 
 - viii, 200 p. ;  26 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Africa, Central