5Mary Riddel, R Keith Sehwer. Regional Innovative Capacity with Endogennus Employment: Empirical Evidence from the U. S. [ J].The Review of Regional Studies, 2003, 33 ( 1 ) : 73 - 84.
6Tomi Tura,Vesa Harmaakorpi. Social Capital in Building Regional Innovative Capability: A Theoretical and Conceptual Assessment[C]. 43th Congress of European Regional Science Association(ERSA) , Jyvaskyla, Finland, 2003.