Troger W E <br/><br/>
Optical determination of rock-forming minerals 
Troger W E 
 - Stuttgart  E Schweizerbart          1979 
 - 188p.  cm. 
<br/><br/><label>Standard No.: </label>47699 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerology
<br/><br/><label>Dewey Class. No.: </label>H1, L9;1