1. GUS, A Frame-Driven Dialog System;Bobrow;Artificial Intelligence,1977
2. Applications of Meta Level Knowledge to the Construction, Maintenance and Use of Large Knowledge Bases;Davis,1976
3. Production Rules as a Representation for a Knowledge-Based Consultation Program;Davis;Artificial Intelligence,1977
4. What computers can't do: a critique of artificial reason;Dreyfus,1972
5. Subjective Bayesian methods for rule-based inference systems;Duda,1976