@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}
}