1. Andersen, M. M. (2007). Knowledge dynamics, technological trajectories and emerging innovation systems—lessons from nanotechnology. Paper presented at the DRUID Summer conference 2007 on appropriability, proximity, routines and innovation, Copenhagen.
2. Asheim, B. T., & Coenen, L. (2005). Knowledge bases and regional innovation systems: comparing Nordic clusters. Research Policy, 34(8), 1173–1190.
3. Bonaccorsi, A., & Thoma, G. (2007). Institutional complementarity and inventive performance in nano science and technology. Research Policy, 36(6), 813–831.
4. Borgatti, S., Everett, M., & Freeman, L. (2002). UCINet 6 for windows: software for social network analysis. Harvard: Analytic Technologies.
5. Breschi, S., & Malerba, F. (1997). Sectoral innovation systems: technological regimes, schumpeterian dynamics, and spatial boundaries. In C. Edquist (Ed.), Systems of innovation: technologies, institutions and organizations (pp. 130–156). London: Pinter.