12.
Buesa M., Martínez-Pellitero M., Baumert T., Heijs J. [2007], Novel Applications of Existing Econometric Instruments to Analyse Regional Innovation Systems: The Spanish Case, in: Surinach R., Moreno R., Vayá E. (eds.), Knowledge Externalities, Innovation Clusters and Regional Development: 155–175, Edward Elgar, Cheltenham.