1. Boldrin, M., Levine, D.K., 2003. The case against intellectual monopoly. IER Lawrence Klein Lecture. http://levine.sscnet.ucla.edu/general/intellectual/intellectual.htm.
2. Economic Implications of Patents;Firestone,1971
3. Industrial Market Structure and Economic Performance;Scherer,1980
4. The Theory of Industrial Organization;Tirole,1988
5. Oligopoly Pricing: Old Ideas and New Tools;Vives,1999