Vilella, J. R. <br/><br/>
Metallographic technique for steel. 

 - Cleveland :  Am.Soc.for Metals,  1938. 
 - 84 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metalurgia<br/>Acero
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>669.14:620.18