Shubnikov A V <br/><br/>
Principles of optical crystallography 
Shubnikov A V 
 -  1960 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>46076 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineralogy<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1:8:C5, K01