Winchell, Alexander N <br/><br/>
Elements of Optical Minerology  Introduction to Microscopic Petrography 
by Alexander N Winchell and Horace Winchell 
 - New Delhi  Wiley  1937 
 - xvi, 551p 
<br/><br/> Trans from IPC 
<br/><br/><label>Dewey Class. No.: </label>549.125  / N37.2