1. Adams, N. (1996). A study of the effectiveness of using virtual reality to orient line workers in a manufacturing environment. Motorola University, Unpublished dissertation.
2. Simulating humans: Computer graphics, animation, and control;Badler,1993
3. Barnett, B., Helbing, K., Hancock, G., Heininger, R., & Perrin, B. (2000). An evaluation of the training effectiveness of virtual environments. In Presented at the interservice/industry training, simulation and education conference. Orlando, FL.
4. Bates, J. (1994). The role of emotion in believable agents. Technical Report CMU-CS-94-136. Pittsburg, PA: Carneigie Mellon University.
5. Becheiraz, P., & Thalmann, D. (1998). A behavioral animation system for autonomous actors personified by emotions. In Presented at the first workshop on embodied conversational characters. Lake Tahoe, CA.