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This file has been used in: Ulrike Guérot (2017-05-05). Deutschland – das pulsierende Herz Europas (in de). merton-magazin.de. Retrieved on 2017-05-08. web.archives.org

This file has been used in: ejo - Evangelische Jugend Oldenburg (in de). facebook.com (2017-04-29). Retrieved on 2017-05-16.

This file has been used in: REPAIR: Rejuvenating Democracy in the EU (in en). skytte.ut.ee (2023-04-05). Retrieved on 2023-10-10. web.archive.org