Retrieved 17 April 2011. "Wetter und Klima – Deutscher Wetterdienst – Stadtklima Köln – Klimawandelgerechte Metropole Köln – Strategie zur Anpassung an... 121 KB (10,435 words) - 19:49, 6 May 2024 |
Retrieved 3 November 2016. Aachen Department of Environment (2013). "Stadtklima" [Urban Climate] (in German). Archived from the original on 21 April 2014... 108 KB (10,138 words) - 04:17, 6 May 2024 |