<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">INDICATE </hi>(2012): Handbook on virtual exhibitions and virtual performances. Version 1.0. <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://www.indicate-project.org/getFile.php?id=412">http://www.indicate-project.org/getFile.php?id=412</ref> [letzter Zugriff 22. August 2017]