Spencer E W <br/><br/>
Introduction to the structure of the earth 
Spencer E W 
 -  1959 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49687 
<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