1. The Economist Intelligence Unit: The Internet of Things Business Index: A Quiet Revolution Gathers Pace (2013)
2. Kagermann, H., Wahlster, W., Held, J.: Deutsche P.A. recommendations for implementing the strategic initiative Industrie 4.0. Final report of the INDUSTRIE 4.0 WG, 82 (2013)
3. Bauer, W., Horváth, P.: Industrie 4.0 - Volkswirtschaftliches Potenzial für Deutschland. Controlling, 27, 515–517 (2015)
4. Beckert, S.: Empire of Cotton: A Global History. Knopf, New York (2014)
5. Kunii, T.L.: The 3‘d industrial revolution through integrated intelligent processing systems. In: I997 IEEE lnternational Conference on Intelligent Processing Systems, pp. 1–6 (1997)