1. Roberto Bayardo and Robert Schrag. Using CSP look-back techniques to solve real-world SAT instances. In Proc. IJCAI-97, pages 203–208, 1997.
2. Hector Geffner. Causal theories for nonmonotonic reasoning. In Proc. AAAI-90, pages 524–530. AAAI Press, 1990.
3. Michael Gelfond and Vladimir Lifschitz. Action languages. Electronic Transactions on AI, 3, 1998. http://www.ep.liu.se/ea/cis/1998/016 .
4. Enrico Giunchiglia and Vladimir Lifschitz. An action language based on causal explanation: Preliminary report. In Proc. AAAI-98, pages 623–630. AAAI Press, 1998.
5. Henry Kautz and Bart Selman. Planning as satisfiability. In Proc. ECAI-92, pages 359–363, 1992.