Kehl, George Louis. <br/><br/>
The principles of metallographic laboratory practice / 
George L. Kehl. 
 - 3d ed. 
 - New York,  McGraw-Hill,  c1949. 
 - xiv, 520 p.  illus. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>LCCN: </label>49004924  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metallography.
<br/><br/><label>LC Class. No.: </label>TN690  / .K4 1949 
<br/><br/><label>Dewey Class. No.: </label>669.9/GEP