1. The market for lemons: Qualitative uncertainty and the market mechanism;Akerlof;Quarterly Journal of Economics,1970
2. Arrow, Kenneth, (1971). Essays in the Theory of Risk-Bearing, Markham Press, Chicago
3. Association of University Technology Managers (AUTM), 1992. Survey Licensing Report, AUTM
4. Barzel, Yoram, 1990. Economic Analysis of Property Rights, Cambridge University Press, Cambridge, UK
5. Beardsley, Tim, (1994). Big time biology, Scientific American, November, pp. 90–95