@inproceedings{LICS-2004-CookK,
	author        = "Stephen A. Cook and Antonina Kolokolova",
	booktitle     = "{Proceedings of the 19th IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2004.1319634",
	isbn          = "0-7695-2192-4",
	pages         = "398--407",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Second-Order Theory for NL}",
	year          = 2004,
}