author name string: Lubor Ferenc URL: https://commons.wikimedia.org/wiki/user:Lubor_Ferenc Wikimedia username: Lubor Ferenc determination method: SHA-1
author name string: Lubor Ferenc URL: https://commons.wikimedia.org/wiki/user:Lubor_Ferenc Wikimedia username: Lubor Ferenc determination method: SHA-1
author name string: Lubor Ferenc URL: https://commons.wikimedia.org/wiki/user:Lubor_Ferenc Wikimedia username: Lubor Ferenc determination method: SHA-1