Rich, Elaine. 1983.
Artificial Intelligence. New York: McGraw-Hill, Inc.
Rich, Elaine. 1989.
“Stereotypes and User Modeling.” in
User Models in Dialog Systems, edited by Alfred
Kobsa and Wolfgang
Wahlster, pp. 35–51. Berlin: Springer.
Rich, Elaine and
Knight, Kevin M. 1991.
Artificial Intelligence. 2nd ed. New York: McGraw-Hill, Inc.