Press, Frank. <br/><br/>
Earth /  

 - Second Ed. /  
 - San Francisco :   W.H. Freeman and Company ,   1988 
 - p.649,xi :  
<br/><br/><label>ISBN: </label>0-7167-0289-4 
<br/><br/><label>Dewey Class. No.: </label>H  / L8