Spencer, Edgar W <br/><br/>
Introduction to the structure of the earth 

 - 2d ed 
 - Tokyo  McGraw-Hill  1977 
 - x,640 p.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>EARTH SCIENCE
<br/><br/><label>Dewey Class. No.: </label>551.1  / SPE