@inproceedings{LICS-1995-MarekNR,
	author        = "V. Wiktor Marek and Anil Nerode and Jeffrey B. Remmel",
	booktitle     = "{Proceedings of the 10th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1995.523255",
	isbn          = "0-8186-7050-9",
	pages         = "178--185",
	publisher     = "{IEEE Computer Society}",
	title         = "{Complexity of Normal Default Logic and Related Modes of Nonmonotonic Reasoning}",
	year          = 1995,
}