J. Wan, I. Humar, and D. Zhang (Eds.) Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering Springer, Cham, (2016)
G. Schuh, G. Gudergan, R. Senderek, and D. Wagner. Management industrieller Dienstleistungen: Handbuch Produktion und Management 8, chapter 5, Springer Vieweg, Berlin, 2 edition, (2016)