Customization 4.0 Proceedings of the 9th World Mass Customization & Personalization Conference (MCPC 2017), Aachen, Germany, November 20th-21st, 2017 - Hankammer, Stephan; Nielsen, Kjeld; Piller, Frank T. 1969-; Schuh, Günther 1958-; Wang, Ning (Springer International Publishing, 2018)