Winchell, Alexander N. <br/><br/>
Elements of optical mineralogy: an introduction to microsopic petrography 

 - New York  John Wiley and Sons  1937 
 - xii,263p.  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical mineralogy
<br/><br/><label>LC Class. No.: </label>GY QE367.W75