- William J. Clancey:
J. F. Sowa, Conceptual Structures - Information Processing in Mind and Machine [Systems Programming Series].
- Kenneth D. Forbus:
H. Abelson and G. J. Sussman with J. Sussman, Structure and Interpretation of Computer Programs.
- Donna Reese:
P. H. Winston, Artificial Intelligence, 2nd Ed.
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by Michael Ley (email@example.com)