@electronic{www.hlug.de,
   title       = {Hessisches Landesamt für Umwelt und Geologie: Luftmessdaten}, 
   url         = {http://www.hlug.de/?id=7122&view=messwerte&detail=download&station=1415},
   biburl      = {https://puma.uni-kassel.de/url/9e4a39b21a005385d0ce9947f5a4f421/stumme},
   keywords    = {EveryAware Kassel Luftverschmutzung Messstation air airprobe pollution sitc},
   added-at    = {2014-01-30T11:20:06.000+0100},
   description = {},
   interhash   = {9e4a39b21a005385d0ce9947f5a4f421}, 
   intrahash   = {9e4a39b21a005385d0ce9947f5a4f421}
}