1. Schwab, K.: The Fourth Industrial Revolution. Penguin Books Limited (2017)
2. Lasi, H., Fettke, P., Kemper, H.G., Feld, T., Hoffmann, M.: Industry 4.0. Bus. Inf. Syst. Eng. 6(4), 239–242 (2014)
3. Da Xu, L., Xu, E.L., Li, L.: Industry 4.0: state of the art and future trends. Int. J. Prod. Res. 56(8), 2941–2962 (2018)
4. GTAI, “Industrie 4.0: SMART MANUFACTURING FOR THE FUTURE,” Berlin, 2014.
5. Lu, Y.: Industry 4.0: a survey on technologies, applications and open research issues. J. Ind. Inf. Integr. 6, 1–10 (2017)