1. R1 revisited: four years in the trenches;Bachant;AI Mag.,1984
2. Book review of ‘The Invention of Memory’;Clancey;Artificial Intelligence,1991
3. Insight and knowledge;Compton,1991
4. Ripple down rules: Possibilities and limitations;Compton,1991
5. Maintaining an expert system;Compton,1989