@electronic{www.treehugger.com,
   title       = {Made in China: Air pollution travels across the Pacific to U.S. West Coast : TreeHugger}, 
   url         = {http://www.treehugger.com/corporate-responsibility/made-china-air-pollution-china-travels-across-pacific-us-west-coast.html},
   biburl      = {https://puma.uni-kassel.de/url/beb958a7ddfa51961396f7914359cec0/hotho},
   keywords    = {bc black carbon everyaware export pollution travel},
   added-at    = {2015-03-06T12:14:19.000+0100},
   description = {People living in China are the main victims of the country's horrendous pollution problems, no doubt about it. But a lot of that pollution travels on powerful winds...},
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   intrahash   = {beb958a7ddfa51961396f7914359cec0}
}

@electronic{www.flightradar24.com,
   title       = {Flightradar24.com - Live flight tracker!}, 
   url         = {http://www.flightradar24.com/},
   biburl      = {https://puma.uni-kassel.de/url/70267f68e3aa6474ce288651545b8250/stumme},
   keywords    = {airplane everyaware flight flug fluglärm flugzeuge lärm maps noise pollution traffic travel visualization},
   added-at    = {2013-03-20T18:09:53.000+0100},
   description = {},
   interhash   = {70267f68e3aa6474ce288651545b8250}, 
   intrahash   = {70267f68e3aa6474ce288651545b8250}
}

@electronic{www.airline-direct.de,
   title       = {Airline direct}, 
   url         = {http://www.airline-direct.de/},
   biburl      = {https://puma.uni-kassel.de/url/b64cb670b2a14f4720a5f451e74de666/stumme},
   keywords    = {flights fluege flüge travel},
   added-at    = {2007-11-02T12:14:21.000+0100},
   description = {},
   interhash   = {b64cb670b2a14f4720a5f451e74de666}, 
   intrahash   = {b64cb670b2a14f4720a5f451e74de666}
}

@electronic{www.kdubiq.org,
   title       = {KDubiq - Online Information System}, 
   url         = {http://www.kdubiq.org/kdubiq/control/expensesclaims},
   biburl      = {https://puma.uni-kassel.de/url/d22193383b129c1a4d058ce388daddee/hotho},
   keywords    = {forms kdubiq reisen travel},
   added-at    = {2007-09-06T16:58:28.000+0200},
   description = {},
   interhash   = {d22193383b129c1a4d058ce388daddee}, 
   intrahash   = {d22193383b129c1a4d058ce388daddee}
}

@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{www.whichbudget.com,
   title       = {Cheap Flights from Budget Airlines with WhichBudget.com}, 
   url         = {http://www.whichbudget.com/},
   biburl      = {https://puma.uni-kassel.de/url/b422e2e6910d82ce2c9b966246db7bae/hotho},
   keywords    = {flights cheap billig travel},
   added-at    = {2006-12-05T09:14:04.000+0100},
   description = {},
   interhash   = {b422e2e6910d82ce2c9b966246db7bae}, 
   intrahash   = {b422e2e6910d82ce2c9b966246db7bae}
}

@electronic{www.world66.com,
   title       = {World66 - Home}, 
   url         = {http://www.world66.com/},
   biburl      = {https://puma.uni-kassel.de/url/fe1f0183bc6e5c2bf1588bc5b2d08a83/hotho},
   keywords    = {reisen folksonomy tools guide travel beschreibung},
   added-at    = {2006-03-23T22:34:38.000+0100},
   description = {},
   interhash   = {fe1f0183bc6e5c2bf1588bc5b2d08a83}, 
   intrahash   = {fe1f0183bc6e5c2bf1588bc5b2d08a83}
}

@electronic{www.kvg.de,
   title       = {NVV/KVG Verbindungssuche}, 
   url         = {http://www.kvg.de/index.php?id=9},
   biburl      = {https://puma.uni-kassel.de/url/8708386a76d6eaf3954f40822fdc3268/hotho},
   keywords    = {straßenbahn fahrplan kassel bus travel},
   added-at    = {2006-02-24T20:27:28.000+0100},
   description = {},
   interhash   = {8708386a76d6eaf3954f40822fdc3268}, 
   intrahash   = {8708386a76d6eaf3954f40822fdc3268}
}

@electronic{www.fahrplan-online.de,
   title       = {Fahrplan - Online | Fahrplanauskunft für Bus, Bahn, Schiff & Flugzeug | Fahrpläne auf der ganzen Welt}, 
   url         = {http://www.fahrplan-online.de/},
   biburl      = {https://puma.uni-kassel.de/url/1c57edf1a78ae83fe84f392434313408/hotho},
   keywords    = {auskunft flugzeug bahn fahrplan schiff bus travel},
   added-at    = {2006-01-31T16:53:03.000+0100},
   description = {},
   interhash   = {1c57edf1a78ae83fe84f392434313408}, 
   intrahash   = {1c57edf1a78ae83fe84f392434313408}
}

@electronic{www.fahrplan-online.de,
   title       = {Fahrplan - Online | Fahrplanauskunft für Bus, Bahn, Schiff & Flugzeug | Fahrpläne auf der ganzen Welt}, 
   url         = {http://www.fahrplan-online.de/},
   biburl      = {https://puma.uni-kassel.de/url/1c57edf1a78ae83fe84f392434313408/stumme},
   keywords    = {auskunft flugzeug fahrpläne bahn fahrplan fahrplanauskunft schiff bus travel},
   added-at    = {2006-01-04T20:44:31.000+0100},
   description = {},
   interhash   = {1c57edf1a78ae83fe84f392434313408}, 
   intrahash   = {1c57edf1a78ae83fe84f392434313408}
}