Bibliography on welding methods with index 
/ National Aeronautics and Space Administration 
 - Washington:   National Aeronautics and Space Administration,   1966 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliography
<br/><br/><label>Subjects--Index Terms: </label>Welding 
<br/><br/><label>Universal Decimal Class. No.: </label>R 016:621.791  / K6