Ehlers, Ernest G. <br/><br/>
Optical mineralogy  V.1.Theory and techniques 

 - Palo Alto  Blackwell scientific pub  1987 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Optimal<br/>Mineralogy
<br/><br/><label>Dewey Class. No.: </label>549.125  / E41O