Similar title to Grubler, A. ORCID: https://orcid.org/0000-0002-7814-4990 & Nowotny, H. (1990). Towards the fifth Kondratiev upswing: elements of an emerging new growth phase and possible development trajectories. International Journal of Technology Management 5 (4) 431-471. 10.1504/IJTM.1990.025914.