1. The TRAINS Project: a case study in building a conversational planning agent;ALLEN;Journal of Experimental and Theoretical Artificial Intelligence,1995
2. IPEM: integrated planning, execution and monitoring;AMBROS INGERSON,1987
3. L'Argumentation dans la Langue;ANSCOMBRE,1983
4. ViewFinder: a framework for representing, ascribing and maintaning nested beliefs of interacting agents;BALLIM,1992