Tröger, Walter Ehrenreich,  1901-1963 <br/><br/>
Optical determination of rock-forming minerals / 
W. E. Tröger 
 - Engl. ed. of the 4 German ed. 
 - Stuttgart :  Schweizerbart,  1979 
 - v. :  ill. , graphs. ;  25 cm. 
<br/><br/> Translation of Optische Bestimmung der gesteinsbildenden Minerale  H. U. Bambauer ... [et al.] ; transl. by Chr. Hoffman in conjunction with the authors 
<br/><br/>pt. 1. Determinative tables 
<br/><br/><label>ISBN: </label>3510653114 (pt. 1) 
<br/><br/><label>LCCN: </label>80-511148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical mineralogy<br/>Rock-forming minerals