[docbook-tdg] DocBook—The Definitive Guide. http://www.docbook.org/tdg/en/html/docbook.html. Norman Walsh and Leonard Muellner.

[cvs] Version Control with Subversion. http://svnbook.red-bean.com/. Ben Collins-Sussman, Brian W. Fitzpatrick, and Michael Pilato.

[using.svn] Using Subversion. Berthold Gunreben and Thomas Schraitle. .