諾托登

諾托登
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外部連結
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• [http://www.flickr.com/groups/notodden/ Notodden] on Flickr
• [http://www.hydro.com/en/About-Hydro/Our-history/1900---1917/1908-Of-course-the-workers-must-have-houses/ 1908 in Notodden: Of course the workers must have houses], from Norsk Hydro