@inproceedings{SAT-2009-SchaafsmaHM,
	author        = "Bas Schaafsma and Marijn Heule and Hans van Maaren",
	booktitle     = "{Proceedings of the 12th International Conference on Theory and Applications of Satisfiability Testing}",
	doi           = "10.1007/978-3-642-02777-2_22",
	isbn          = "978-3-642-02776-5",
	pages         = "223--236",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Dynamic Symmetry Breaking by Simulating Zykov Contraction}",
	volume        = 5584,
	year          = 2009,
}