1. Qualitative reasoning about physical systems: an introduction;Bobrow;Artificial Intelligence,1984
2. The LOOPS manual;Bobrow,1962
3. Consolidation: a method for reasoning about the behaviour of devices;Bylander,1986
4. A critique of qualitative simulation from a consolidation viewpoint;Bylander;IEEE Transactions on Systems, Man, and Cybernetics,1988
5. Some causal models are deeper than others;Bylander;Artificial Intelligence in Medicine,1990