Ray S <br/><br/>
Morphologic crystallography and optical mineralogy 
by Ray S 
 -  1976 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>75407 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals
<br/><br/><label>Dewey Class. No.: </label>C216:80H1, L1;L6;3