Spencer E W <br/><br/>
Introduction to the structure of the earth 
Spencer E W 
 - 2 
 -  1977 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49684 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Structural geology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H3, K9;L7