@electronic{www.geocachenavigator.com,
   title       = {Geocache Navigator™ - geocaching with a GPS phone. Seek & Enjoy™ > Home}, 
   url         = {http://www.geocachenavigator.com/},
   biburl      = {https://puma.uni-kassel.de/url/dcb11e03a99fa5a9e278d663347d8c7d/hotho},
   keywords    = {cache geo geocaching gps nokia s60},
   added-at    = {2008-09-20T19:12:37.000+0200},
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}

@electronic{www.gpsbabel.org,
   title       = {GPSBabel: convert, upload, download data from GPS and Map programs}, 
   url         = {http://www.gpsbabel.org/},
   biburl      = {https://puma.uni-kassel.de/url/a554c99a146d0877836a8bc7cbde36a1/hotho},
   keywords    = {converter geocaching gps tools},
   added-at    = {2007-10-03T11:51:11.000+0200},
   description = {},
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}