1. Blok, V., and P. Lemmens. 2015. The emerging concepts of responsible innovation. Three reasons why it is questionable and calls for a radical transoformation of the concept of innovation. In Responsible innovation 2: Concepts, approaches, and applications, ed. B. Koops, I. Oosterlaken, J. van den Hoven, H. Romijn, and T. Swierstra, 19–35. Dordrecht: Springer.
2. Blok, V., L. Hoffmans, and E. Wubben. 2015. Stakeholder engagement for responsible innovation in the private sector: Critical issues and management practices. Journal of Chain and Network Science 15 (2): 147–164.
3. Blok, V., Lubberink, R., Van den Belt, H., Ritzer, S., Van der Kruk, H. and Danen, G. 2017. Challenging the ideal of transparency as a process and as an output variable of responsible innovation: The case of ‘The Circle’. In Responsible research and innovation. concepts and practices, ed. R. Gianni, Pearson, J., B. Reber (forthcoming). Routledge: New York.
4. Boeije, H. 2010. Analysis in qualitative research. Los Angeles: Sage.
5. Cooper, R. 1990. Stage-gate systems: A new tool for managing new products. Business Horizons 33 (3): 44–54.