@electronic{www.bikemap.net,
   title       = {Bikemap - Deine Radrouten im Web}, 
   url         = {http://www.bikemap.net/de/?tab=new#/z15/51.31669,9.5/terrain},
   biburl      = {https://puma.uni-kassel.de/url/6edd4eca8655535446e458245d2032ac/stumme},
   keywords    = {bike gps gpx map track trail},
   added-at    = {2015-09-25T17:15:09.000+0200},
   description = {},
   interhash   = {6edd4eca8655535446e458245d2032ac}, 
   intrahash   = {6edd4eca8655535446e458245d2032ac}
}

@electronic{www.gps-tour.info,
   title       = {GPS-Tour.info}, 
   url         = {http://www.gps-tour.info/},
   biburl      = {https://puma.uni-kassel.de/url/c5e599338f405b0921b8bc83f5b56267/stumme},
   keywords    = {gps gpx map maps track trail},
   added-at    = {2015-09-25T17:11:34.000+0200},
   description = {},
   interhash   = {c5e599338f405b0921b8bc83f5b56267}, 
   intrahash   = {c5e599338f405b0921b8bc83f5b56267}
}

@electronic{www.linux-magazin.de,
   title       = {Open-Source-Navigation mit Navit « 07 « 2010 « Ausgaben « Heft & Abo « Linux-Magazin Online}, 
   url         = {http://www.linux-magazin.de/Heft-Abo/Ausgaben/2010/07/Richtungweisend},
   biburl      = {https://puma.uni-kassel.de/url/332a2c58a2688c0d8df1079c4de89c5b/stumme},
   keywords    = {android gps navi navigation venus},
   added-at    = {2010-06-16T17:37:52.000+0200},
   description = {},
   interhash   = {332a2c58a2688c0d8df1079c4de89c5b}, 
   intrahash   = {332a2c58a2688c0d8df1079c4de89c5b}
}

@electronic{gowalla.com,
   title       = {Go out. Go discover. Go share. Gowalla.}, 
   url         = {http://gowalla.com/},
   biburl      = {https://puma.uni-kassel.de/url/507717c92e4a1e3f8e5becfa8b8a2175/stumme},
   keywords    = {gowalla gps rfid venus},
   added-at    = {2010-02-17T11:48:23.000+0100},
   description = {},
   interhash   = {507717c92e4a1e3f8e5becfa8b8a2175}, 
   intrahash   = {507717c92e4a1e3f8e5becfa8b8a2175}
}

@electronic{foursquare.com,
   title       = {foursquare}, 
   url         = {http://foursquare.com/},
   biburl      = {https://puma.uni-kassel.de/url/e5a0c2e2708bf2db54c520bd2d8aacfe/stumme},
   keywords    = {foursquare gps rfid sensor venus},
   added-at    = {2010-02-17T11:44:41.000+0100},
   description = {},
   interhash   = {e5a0c2e2708bf2db54c520bd2d8aacfe}, 
   intrahash   = {e5a0c2e2708bf2db54c520bd2d8aacfe}
}

@electronic{wiki.openstreetmap.org,
   title       = {Software/Mobilephones - OpenStreetMap}, 
   url         = {http://wiki.openstreetmap.org/wiki/Software/Mobilephones},
   biburl      = {https://puma.uni-kassel.de/url/4af2f8a88a536f13b14178f8c72ec139/stumme},
   keywords    = {everyaware gps osm software},
   added-at    = {2009-09-04T11:41:48.000+0200},
   description = {},
   interhash   = {4af2f8a88a536f13b14178f8c72ec139}, 
   intrahash   = {4af2f8a88a536f13b14178f8c72ec139}
}

@electronic{www.openstreetmap.de,
   title       = {OpenStreetMap: Die freie Wiki-Weltkarte}, 
   url         = {http://www.openstreetmap.de/},
   biburl      = {https://puma.uni-kassel.de/url/f8933284f909861eddf344e32d55da85/stumme},
   keywords    = {Weltkarte gps karte straßenkarte trace traces},
   added-at    = {2008-09-29T11:02:34.000+0200},
   description = {},
   interhash   = {f8933284f909861eddf344e32d55da85}, 
   intrahash   = {f8933284f909861eddf344e32d55da85}
}

@electronic{www.gpsies.com,
   title       = {GPSies.com - Home}, 
   url         = {http://www.gpsies.com/home.do;jsessionid=0327B2D63592F30A97EBCD12C9CB017B#6|51.163475|10.454239},
   biburl      = {https://puma.uni-kassel.de/url/bae84130c8637f291862351ca3dc636e/stumme},
   keywords    = {geo geotagging gps tagging},
   added-at    = {2007-07-23T15:07:58.000+0200},
   description = {},
   interhash   = {bae84130c8637f291862351ca3dc636e}, 
   intrahash   = {bae84130c8637f291862351ca3dc636e}
}

@electronic{www.everytrail.com,
   title       = {Everytrail - The GPS Travel Community}, 
   url         = {http://www.everytrail.com/},
   biburl      = {https://puma.uni-kassel.de/url/80eedd50019945ed3b1f6606a1f621f8/stumme},
   keywords    = {GPS bookmarking geo gps navigation social tagging travel},
   added-at    = {2007-07-23T15:07:25.000+0200},
   description = {},
   interhash   = {80eedd50019945ed3b1f6606a1f621f8}, 
   intrahash   = {80eedd50019945ed3b1f6606a1f621f8}
}

@electronic{portals.telin.nl,
   title       = {Context Watcher}, 
   url         = {http://portals.telin.nl/contextwatcher/ContextWatcher.html},
   biburl      = {https://puma.uni-kassel.de/url/38b3c96e11a001d2996b33f8bdfac9d3/stumme},
   keywords    = {watcher phone photos mobile gps context handy tagging},
   added-at    = {2006-07-06T20:02:41.000+0200},
   description = {},
   interhash   = {38b3c96e11a001d2996b33f8bdfac9d3}, 
   intrahash   = {38b3c96e11a001d2996b33f8bdfac9d3}
}