archive.is Memento, 3 years 41 days after

http://archive.md/20130210165719/http://www.derwesten.de/staedte/duisburg/ein-imperium-auf-saeurebasis-id1159997.html

10 Feb 2013 16:57:19 GMT  [ +3 years 41 days from requested date ]

Internet Archive Memento, 8 years 105 days after

https://web.archive.org/web/20180414172137/http://www.derwesten.de/staedte/duisburg/ein-imperium-auf-saeurebasis-id1159997.html

14 Apr 2018 17:21:37 GMT  [ +8 years 105 days from requested date ]