Key Key Engineering Materials : Metal Forming 2014. 15th International Conference, September 21-24, 2014, Palermo, Italy. -- Vol. 622-623 (2014). -- 2014. -- Part 1, 2, 1245 p. -- ISSN : 978-3-03835-193-1. In: Key Engineering Materials. -- ISSN 1013-9826.