2W. Fischer, A. Varga. Production of Knowledge and Geographically Mediated Spillovers from Universities International [J]. Journal of Technology Management, 2001.
3W. Fischer. Measuring the Quality of Regional Innovation Systems-a Knowledge Production Function Approach[J]. International Regional Science Review, 2001, (25): 234-245.
4W. Fischer, A. Varga. Spatial Knowledge Spillovers and University Research: Evidence from Austria [J]. Ann Reg Sci, 2003, (37): 303-322.
5L. Greunz. Geographically and Technologically Mediated Knowledge Spillovers between European Regions [J]. Ann Reg Sci, 2003, (37): 657-680.
6W. Fischer, H. Franke. Innovation, Regional Knowledge Spillovers and R&D Cooperation [J]. Research Policy,2004, (33):245-255.
7P. Romer. Endogenous Technological Change [J]. Journal of Political Economy, 1990, (98) : 72-102.
8Z. Griliches. Issues in Assessing the Contribution of R&D to Productivity Growth [J]. Journal of Economics, 1979,(10): 92-116.
9Z. Griliches. Productivity, R&D, and Basic Research at the Firm Level in the 1970s [J]. American Economics Review, 1986, (76): 141-154.
10A. B. Jaffe. Real Affects of Academic Research [J]. American Economics Review , 1986, (79):957-970.
