1. Barrett BFD, Grover VI, Janowski T, van Laverne H, Ojo A, Schmidt P. Institutional vision and initiatives: Challenges in the adoption and use of OpenCourseWare: Experience of the United Nations University. Open Learning. 2009;24(1):31–38.
2. Bauwens, M. (2005). The political economy of peer production. C-Theory. Retrieved from
http://www.ctheory.net/articles.aspx?id=499
3. Behling, M. (2006, October, 18). Free Culture, Free Software, Free Infrastructures! Openness and Freedom in every Layer of the Network [Video file]. Perspektive89. Retrieved from
http://perspektive89.com/2006/10/18/free_culture_free_software_free_infrastructures_openness_and
_freedom_in_every_layer_of_the_network_flo_fleissig_episo
4. Benkler Y. The wealth of networks: How social production transforms markets and freedom. New Haven, CT: Yale University Press; 2006.
5. Blair D. Wittgenstein, language and information. Dordrecht, Netherlands: Springer; 2006.