Source Data Reference for:
City = Duisburg
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Duisburg | 1951 | 454,900 | 1950/52 | Jan Lahmeyer | http://www.populstat.info/ | n/a |
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Source Data Reference for:
City = Duisburg
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