@electronic{hotosm.org,
   title       = {Humanitarian OpenStreetMap Team}, 
   url         = {http://hotosm.org/},
   biburl      = {https://puma.uni-kassel.de/url/863b68d42f7c60a717e2d8b23da170bd/stumme},
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@electronic{www.osm-3d.org,
   title       = {OpenStreetMap Globe Webstart en}, 
   url         = {http://www.osm-3d.org/Start.en.htm},
   biburl      = {https://puma.uni-kassel.de/url/e09d37f7abd19af0e9112c5c1d3abe7e/stumme},
   keywords    = {air everyaware map open openstreetmap osm pollution street},
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@electronic{photosm.broadbox.de,
   title       = {Photosm - OSM Photo Mashup}, 
   url         = {http://photosm.broadbox.de/},
   biburl      = {https://puma.uni-kassel.de/url/8c5e51085c083243cc9f45457a97e50b/stumme},
   keywords    = {everyaware mashup openstreetmap osm photo},
   added-at    = {2009-09-04T13:51:06.000+0200},
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@electronic{sautter.com,
   title       = {transparent map comparison openstreetmap google yahoo}, 
   url         = {http://sautter.com/map/},
   biburl      = {https://puma.uni-kassel.de/url/6d8531334267794c89b35f5c496f749e/stumme},
   keywords    = {comparison everyaware google maps openstreetmap osm vergleich},
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   interhash   = {6d8531334267794c89b35f5c496f749e}, 
   intrahash   = {6d8531334267794c89b35f5c496f749e}
}

@electronic{unterbahn.com,
   title       = {Unterbahn » Blog Archive » Serving ‘OSM-JSON’ alongside XML from the OpenStreetMap Rails port}, 
   url         = {http://unterbahn.com/2009/07/serving-osm-json-alongside-xml-from-the-openstreetmap-rails-port/},
   biburl      = {https://puma.uni-kassel.de/url/b8ffb098ea5fbfbfc44cd823f5d9e982/stumme},
   keywords    = {everyaware json map maps openstreetmap osm},
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@electronic{www.geographie.uni-bonn.de,
   title       = {OSM-3D Germany}, 
   url         = {http://www.geographie.uni-bonn.de/karto/osm-3d/Start.en.htm},
   biburl      = {https://puma.uni-kassel.de/url/ec53f4f72a748252632e37b79237b8e0/stumme},
   keywords    = {data everyaware openstreetmap osm sensor sensordata},
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