I. Scott, P. Greenberg, and P. Phillips. Internal medicine journal, 38 (6):
384-7(June 2008)6622<m:linebreak></m:linebreak>JID: 101092952; ppublish;<m:linebreak></m:linebreak>Recursos/Organització; Recerca clínica; Formació.
D. Ingalls, T. Kaehler, J. Maloney, S. Wallace, and A. Kay. OOPSLA '97: Proceedings of the 12th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications, page 318-326. New York, NY, ACM Press, (1997)
B. Mott, S. McQuiggan, S. Lee, S. Lee, and J. Lester. Proceedings of the Agent Based Systems for Human Learning Workshop at the 5th International Joint Conference on Autonomous Agents and Multiagent Systems (ABSHL-2006), Hakodate, Japan, (2006)