license of your choice. English author name string: Roland Unger Wikimedia username: RolandUnger URL: https://commons.wikimedia.org/wiki/user:RolandUnger...
DescriptionProgrammheft-WikiCon 2017.pdf Programmheft WikiCon 2017 Source Own work Author WikiCon-Team & Valierie Schandl (WMDE) (design) Permission (Reusing...