Simpson B <br/><br/>
Rocks and minerals 

 - Oxford  Pergamon           1966 
 - ix,302p.  cm. 
<br/><br/><label>Standard No.: </label>49642 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2, K6