Hoffman, David J. <br/><br/>
Welding / 
David J. Hoffman and et all 
 - 2nd ed. 
 - New Delhi :  Pearson,  2017. 
 - 642 p. ;  24 cm. 
<br/><br/> Paperback. 
<br/><br/><label>ISBN: </label>9789332585584 
<br/><br/><label>Dewey Class. No.: </label>671.52 HOF