error in OWL referencies

There is an error on OWL page: 
The Description Logic Handbook is not available. Link is referring to some wrong site:

http://www.w3.org/TR/owl-guide/


[Description Logics] 
The Description Logic Handbook: Theory, Implementation and Application , Franz Baader, Diego Calvanese, Deborah L. McGuinness, Daniele Nardi, and Peter F. Patel-Schneider, Editors. Cambridge University Press, 2002.

-Reima Toikka