@book{dlhandbook,
	title = {The description logic handbook: theory, implementation, and applications},
	address = {New York, NY, USA},
	editor = {Franz Baader and Diego Calvanese and Deborah L. McGuinness and Daniele Nardi and Peter F. Patel-Schneider},
	publisher = {Cambridge University Press},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/23f3eae59671cd44a37e32b548f8464c5/vrandezo},
	isbn = {0-521-78176-0},
	keywords = {imported }
}