https://norm.gekko.de/drkg_20082026-05-24T07:27:43+00:001.0 https://norm.gekko.de/drkg_2008/12026-05-24T08:53:07+00:000.8 https://norm.gekko.de/drkg_2008/22026-06-03T02:01:39+00:000.8 https://norm.gekko.de/drkg_2008/30.8 https://norm.gekko.de/drkg_2008/42026-06-06T16:17:30+00:000.8 https://norm.gekko.de/drkg_2008/50.8