Winchell A N <br/><br/>
Elements of optical mineralogy: An introduction to microscopic petrography 

 - Ed 4th 
 -  1961 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>46102 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineralogy<br/> Optical<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1:C5, K1.2;1