Winchell, Alexander Newton,  1874-1958 <br/><br/>
Elements of optical mineralogy  an introduction to microscopic petrography / 
by Alexander N. Winchell with collaboration of Horace Winchell 
 - 4th ed. 
 - New York :  John Wiley & Sons,  1956 
 - xvi, 551 p. :  ill. ;  23 cm. 
 - His elements of optical mineralogy  pt.2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralog, Determinative