• 

  c't 7/2005, S. 88: Internet-Infrastruktur

  https://web.archive.org/web/20050319095233/http://www.heise.de/ct/05/07/088/

  c't - Magazin für Computertechnik

• 

  c't 12/95, S. 100: Software-Skandal

  https://web.archive.org/web/20050411114903/http://www.heise.de/ct/95/12/100/

  c't - Magazin für Computertechnik

• 

  c't 19/2008, S. 222: Xen/c't-Debian-Server

  https://web.archive.org/web/20080902051850/http://www.heise.de/ct/08/19/222/

  Keine Beschreibung vorhanden.

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