1. Akerlof, G., 1970, “The Market for Lemons: Qualitative Uncertainty and the Market Mechanism”. Quarterly Journal of Economics 84,488–500.
2. Balz, M.W., 1975, Invention and Innovation Under Soviet Law, Lexington Books, Massachusetts.
3. Banks, M.A.L. (Chairman), 1970, The British Patent System, Report of the Committee to Examine the Patent System and Patent Law, Cmnd 4407, HMSO, London.
4. Bosworth, D.L. and R.A. Wilson, 1988, Infrastructure for the Protection of Intellectual Property: Patent Agents and Patent Monopolies, Research Report, Institute for Employment Research, University of Warwick, Coventry.
5. Dasgupta, P. and J. Stiglitz, 1980, “Uncertainty Industrial Structure and the Speed of R&D”, Bell Journal of Economics 11, 1–28.