1. Elementary Differential Equations.;Boyce,1977
2. C. Chiu. Automatic Analysis of Qualitative Simulation Models. Unpublished, 1988.
3. Aspects of Topology.;Christenson,1977
4. Qualitative Simulation;Kuipers;Artificial Intelligence,1986
5. B. J. Kuipers and C. Chiu. Taming Intractable Branching in Qualitative Simualtion. IJCAI-87, 1987.