Winchell, Alexender N. <br/><br/>
Elements of optical mineralogy  An introduction to microscopic petrography 

 - 5 th ed. 
 - New York  John Wiley & Sons  1949 
 - 263p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Microscopic
<br/><br/><label>Dewey Class. No.: </label>552  / W