Understanding the Earth / 

 - New York  Cambridge University Press,  1992. 
 - xii, 551 p. :  ill. (col.) ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521370205 0521427401 
<br/><br/><label>LC Class. No.: </label>QE26.2  / .Un2 1992