1. Womack, J., Jones, D., Roos, D.: The Machine that Changed the World. HarperCollins, New York (1991)
2. Netland, T.: Industry 4.0: where does it leave lean? Lean Manag. J. 5(3), 22–23 (2015)
3. Sanders, A., Elangeswaran, C., Wulfsberg, J.: Industry 4.0 implies lean manufacturing: research activities in Industry 4.0. J. Ind. Eng. Manag. 9(3), 811–833 (2016)
4. Buer, S.-V., Semini, M., Strandhagen, J., Sgarbossa, F.: The complementary effect of lean manufacturing and digitalisation on operational performance. Int. J. Prod. Res. 59, 1–17 (2020)
5. Ejsmont, K., Gladysz, B., Corti, D., Castaño, F.: Towards ‘Lean Industry 4.0ʹ – Current trends and future perspectives. Cogent Bus. Manag. 7(1), 1781995 (2020)