Untracht, Oppi. <br/><br/>
Metal techniques for craftsmen :  a basic manual for craftsmen on the methods of forming and decorating metals. 

 - New York :  Doubleday & Company, Inc.,  1975. 
<br/><br/> 'Copyright 1968, 1975 by Doubleday & Company, Inc.' (note on back of title page). 
<br/><br/><label>ISBN: </label>0385030274 9780385030274