@inproceedings{STOC-2002-AlekhnovichJPU,
	author        = "Michael Alekhnovich and Jan Johannsen and Toniann Pitassi and Alasdair Urquhart",
	booktitle     = "{Proceedings of the 34th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/509907.509974",
	isbn          = "1-58113-495-9",
	pages         = "448--456",
	publisher     = "{ACM}",
	title         = "{An exponential separation between regular and general resolution}",
	year          = 2002,
}