Clayton, Keith M. <br/><br/>
La corteza terrestre 
Keith Clayton 
 - Pamplona  Ediciones Arrieta  1968. 
 - 154 p.  front., illus. 
<br/><br/> Translation of : Earth's crust. 
<br/><br/><label>LCCN: </label>fel36001351 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>LC Class. No.: </label>QE31  / .C4 
<br/><br/><label>Dewey Class. No.: </label>551