8David R. Downes. How Intellectual Property Could Be a Tool to Protect Traditional Knowledge [J]. Columbia Journal of Environmental Law, 2000.
9Jessica Litman. The Public Domain [J]. Emory L. J., 1990, (39).
10Angela R. Riley. Recovering Collectivity: Group Rights to Intellectual Property in Indigenous Communities [J]. Cardozo Arts and Entertainment Law Journal, 2000.