@inproceedings{SAT-2003-HanataniHI,
	author        = "Youichi Hanatani and Takashi Horiyama and Kazuo Iwama",
	booktitle     = "{Selected Revised Papers of the Sixth International Conference on Theory and Applications of Satisfiability Testing}",
	doi           = "10.1007/978-3-540-24605-3_6",
	isbn          = "3-540-20851-8",
	pages         = "69--77",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Density Condensation of Boolean Formulas}",
	volume        = 2919,
	year          = 2003,
}