Schurmann, H.M.E <br/><br/>
The pre-cambrian in north africa / 
by H.M.E Schurmann 
 - Leiden  E.J Brill  1974 
 - xvi,348p.: ill. 
<br/><br/>includes bibliographical references 
<br/><br/><label>ISBN: </label>9004036946 
<br/><br/><label>LC Class. No.: </label>QE 653