Allen Van Gelder. Verifying Propositional Unsatisfiability: Pitfalls to Avoid. In João Marques-Silva, Karem A. Sakallah, editors, Theory and Applications of Satisfiability Testing - SAT 2007, 10th International Conference, Lisbon, Portugal, May 28-31, 2007, Proceedings. Volume 4501 of Lecture Notes in Computer Science, pages 328-333, Springer, 2007. [doi]
Abstract is missing.