Shimer John A <br/><br/>
Changing earth 
Shimer John A 
 -  1968 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>43792 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>H, K8