== Eksterne henvisninger ==
{{Commonscat|Dikes}}
* [https://kyst.dk/kyster-og-klima/kystbeskyttelse/kystbeskyttelsesmetoder/dige/ Kystdirektoratet om Diger]
* [http://www.ruralia.cz/19_Ey.pdf Johannes Ey: "Früher Deichbau und Entwässerung im Nordwestdeutschen Küstengebiet" (''Ruralia'' V; s. 146-151)]{{Dødt link|date=januar 2022 |bot=InternetArchiveBot |fix-attempted=yes }} {{de sprog}}
* [http://www.waddensea-secretariat.org/news/symposia/Symposium-2009/Proceedings/8-67-Ey-iniation-dike-constraction-final.pdf Johannes Ey: "Initiation of dike-construction in the German clay district" (''Wadden Sea Ecosystem No. 26'' 2010; s. 179-183)] {{Webarchive|url=https://web.archive.org/web/20120415100634/http://www.waddensea-secretariat.org/news/symposia/Symposium-2009/Proceedings/8-67-Ey-iniation-dike-constraction-final.pdf |date=15. april 2012 }} {{En sprog}}
* [http://www.schriften.uni-kiel.de/Band%2065/Newig_Petersen_65_67-106.pdf Jürgen Newig und Marcus Petersen: "Eine klazzifizierung von Deichen an der Nordseekuste - erleutert an Beispielen von Schleswig-Holstein"] {{Webarchive|url=https://web.archive.org/web/20140603035620/http://www.schriften.uni-kiel.de/Band%2065/Newig_Petersen_65_67-106.pdf |date= 3. juni 2014 }} {{de sprog}}
* [https://runeberg.org/salmonsen/2/6/0173.html ''Salmonsens Konversationsleksikon'', 2. udgave, bind VI (1917), s. 163-165; opslag: Dige] {{Webarchive|url=https://web.archive.org/web/20120417223615/http://runeberg.org/salmonsen/2/6/0173.html |date=17. april 2012 }}
Kemi Vand