Primary forming processes 

 - London :   Newnes,   1971. 
 - 189 p. 
<br/><br/> A programmed text prepapared in collaboration with ESL Bristol 
<br/><br/><label>ISBN: </label>0408000384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECANIZADO<br/>MARTILLADO<br/>PRENSADO
<br/><br/><label>Universal Decimal Class. No.: </label>621.9.04