Barth, Tom F. W. (Tom Fredrik Weiby), 1889-1971 <br/><br/>
Feldspars / 
Tom. F. W. Barth 
 - New York :  Wiley-Interscience,  1969 
 - xi, 261 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feldspar