1. AgentSheets, 2000. AgentSheets Home Page on the Internet — http://www.agentsheets.com/home.html (as of March 2000).
2. The Computer as Medium;Andersen,1993
3. Barbosa, S.D.J., 2000. Expanding Software through Metaphors and Metonymies. In IUI 2000 — 2000 International Conference on Intelligent User Interfaces, New Orleans, USA, 9–12 January, pp. 13–20.
4. Discourse Analysis;Brown,1983
5. CACM, 1994. Intelligent Agents. Communications of the ACM 37 (7) 18–169.