• 

  imagico.de - The state of waterbody mapping in OpenStreetMap

  http://www.imagico.de/map/osm_water_en.php

  Discussion of the state of waterbody mapping and the quality of waterbody data in OpenStreetMap

• 

  Hilfe:Variablen – Wikipedia

  https://secure.wikimedia.org/wikipedia/de/wiki/Hilfe:Variablen

  Keine Beschreibung vorhanden.

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