@article{newell:1982,
	title = {The Knowledge Level},
	author = {A. Newell},
	journal = {Artificial Intelligence},
	number = {2},
	volume = {28},
	year = {1982},
	biburl = {http://www.bibsonomy.org/bibtex/2bd020de2a7f91a2307c2f951236774d4/lolownia},
	timestamp = {2008.05.14}, owner = {pdeleenh},
	keywords = {ai kb }
}