1. UNIDO ed: The future of industrialization in a post-pandemic world. UNIDO, Vienna (2021)
2. Schwab, K.: The Fourth Industrial Revolution: Klaus Schwab. London, UK u. a (2017)
3. Deloitte Insights: The Fourth Industrial Revolution. At the intersection of readiness and re-sponsibility (2021)
4. Digitization of Industrie – Plattform Industrie 4.0
5. Baumann, J., Kritikos, A.S.: The link between R&D, innovation and productivity: are micro firms different?. Res. Policy 45(6), 1263–1274 (2016)