Read, H. H. Watson, J. <br/><br/>
Introduction to geology  Volume 2 Earth history 

 - The Macmillan  London  1975 
 - 221p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>4496 
<br/><br/><label>Universal Decimal Class. No.: </label>551.1  / REA