@article{journals/ai/EtheringtonKP92,
	title = {Nonmonotonicity and the Scope of Reasoning.},
	author = {David W. Etherington and Sarit Kraus and Donald Perlis},
	journal = {Artif. Intell.},
	number = {3},
	pages = {221-261},
	url = {http://dblp.uni-trier.de/db/journals/ai/ai52.html#EtheringtonKP92},
	volume = {52},
	year = {1992},
	biburl = {http://www.bibsonomy.org/bibtex/25fd5a0695efa5fecee0f651337cef2f0/dblp},
	description = {dblp},
	date = {2003-11-19},
	keywords = {dblp }
}