Nijkamp, P., & Siedschlag, I. (2011). Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-14965-8

Nijkamp, Peter, and Iulia Siedschlag. Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-14965-8.

Nijkamp, Peter, and Iulia Siedschlag. Innovation, Growth and Competitiveness: Dynamic Regions in the Knowledge-Based World Economy. Springer Berlin Heidelberg, 2011. https://doi.org/10.1007/978-3-642-14965-8.