@book{baader2003dlhandbook,
        title = {The Description Logic Handbook: Theory, Implementation and Applications},
        address = {Cambridge},
        editor = {Franz Baader and Diego Calvanese and Deborah McGuinness and Daniele Nardi and Peter Patel-Schneider},
        publisher = {Cambridge University Press},
        year = 2003,
        url = {http://www.amazon.de/gp/product/0521781760?ie=UTF8&tag=moresemantic-21&linkCode=as2&camp=1638&creative=6742&creativeASIN=0521781760},
        biburl = {http://www.bibsonomy.org/bibtex/23566065693f7ae313f82f9b2a0c96936/schmitz},
	keywords = {descriptionlogics dl}
}

@book{baader03description,
        title = {The Description Logic Handbook},
        author = {Franz Baader and Deborah L. McGuinness and Daniele Nardi and Peter F. Patel-Schneider},
        year = 2003,
        biburl = {http://www.bibsonomy.org/bibtex/2ae2c598afa06b3c6a814db90990a9935/schmitz},
	keywords = {dl descriptionlogics}
}