National Research Council (U.S.). Committee on Intellectual Property Rights in the Knowledge-Based Economy, Cohen, W. M., & Merrill, S. A. (2003). Patents in the knowledge-based economy. National Academies Press.

National Research Council (U.S.). Committee on Intellectual Property Rights in the Knowledge-Based Economy, Wesley Marc Cohen, and Stephen A. Merrill. Patents in the Knowledge-based Economy. Washington, DC: National Academies Press, 2003.

National Research Council (U.S.). Committee on Intellectual Property Rights in the Knowledge-Based Economy, et al. Patents in the Knowledge-based Economy. National Academies Press, 2003.