Kehl, George Louis. <br/><br/>
The principles of metallographic laboratory practice / 
by George L. Kehl. 
 - 3d ed. 
 - New York ;  London :  McGraw-Hill,  1949. 
 - xiv, 520 p. :  ill. ;  24 cm. 
 - Metallurgy and metallurgical engineering series .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metallography.
<br/><br/><label>Dewey Class. No.: </label>669.95  / KEP 1949