Staff (October 2010). "Fraunhofer in Chile". Fraunhofer-Gesellschaft organizational web site. Archived from the original on 28 October 2010. Retrieved 22 October 2010.
Jens Kany (2012): Die Militarisierung des Zivilen - Das Forschungsprogramm für die zivile Sicherheit. Tübingen: Informationsstelle Militarisierung (IMI) e.V., accessed: 6 September 2023.
Staff (October 2010). "Fraunhofer in Chile". Fraunhofer-Gesellschaft organizational web site. Archived from the original on 28 October 2010. Retrieved 22 October 2010.
"The mp3 History". Fraunhofer-Gesellschaft. Archived from the original on 1 January 2014. Retrieved 31 December 2013.
"UK in Germany". Britischebotschaft.de. 1 August 2008. Archived from the original on 8 March 2013. Retrieved 13 July 2012.