1. Acs, Z.J. and D.B. Audretsch (1993), ‘R&D Spillovers and Recipient Firm Size’, Paper presented at the ASSA Annual Meeting, Anaheim.
2. Basberg, B.J. (1987), ‘Patents and the Measurement of Technological Change: A Survey of the Literature’, in Freeman (1987).
3. Blume, S. (1990), ‘Transfer Sciences: Their Conceptualisation, Functions and Assessment’, Paper prepared for the TEP Conference on the Consequences of the TEP for Development of New Science and Technology Indicators, OECD, Paris.
4. Dunning, J.H. (1990), ‘Multinational Enterprises and the Globalisation of Innovatory Capacity’, Discussion Paper in International Investment and Business Studies, No. 143, University of Reading, Department of Economics.
5. Freeman, C. (1974),The Economics of Industrial Innovation, Penguin, Harmondsowrth.