Jeffreys, Harold <br/><br/>
Earth: Its origins history and physical constitution 

 - 6th ed. 
 - Cambridge  Cambridge University Press  1976 
 - xii, 574 p. 
<br/><br/><label>ISBN: </label> POU18 
<br/><br/><label>Dewey Class. No.: </label>551.1 J377E