1. AcsZ. J. and D. B.Audretsch, 1993, ?Analyzing Innovation Output Indicators: The U.S. Experience?, in A.Kleinknecht and D.Bain (eds.), New Concepts in Innovation Output Measurement, London: Macmillan, pp. 10?41.
2. AmemiyaT., 1986, Advanced Econometrics, Oxford: Basil Blackwell.
3. BrouwerE. and A.Kleinknecht, 1993, ?Technology and a Firm's Export Intensity: The Need for Adequate Innovation Measurement?, Konjunkturpolitik 39, 215?325.
4. Brouwer, E. and A. Kleinknecht, 1994, Innovation in Dutch Manufacturing and Service Industries, 1992 (in Dutch), SEO Report to the Ministry of Economic Affairs, The Hague (published in the series: Beleidsstudies Technologie Economie, no. 27).
5. SEO report to the Ministry to Economic Affairs;H. Budil-Nadvornikova,1993