1. Kagermann, H., Wahlster, W., Helbig, J.: Securing the future of German manufacturing industry – Recommendations for implementing the strategic initiative industrie 4.0. Acatech (2013)
2. i-SCOOP, 17 March 2018. https://www.i-scoop.eu/industry-4-0/
3. Li, X., Li, D., Wan, J., Vasilakos, A.V., Lai, C.F., Wang, S.: A review of industrial wireless networks in the context of Industry 4.0. Wirel. Netw. 23(1), 23–41 (2017)
4. National Science Foundation, Cyber-Physical Systems (CPS), 27 April 2018. https://www.nsf.gov/pubs/2018/nsf18538/nsf18538.pdf
5. Denmark, MADE casekatalog. http://www.made.dk/media/1720/made-casekatalog-2016-one-page.pdf . Accessed 23 Feb 2018