@electronic{www.windguru.cz,
   title       = {WindGURU: Germany - Singliser See}, 
   url         = {http://www.windguru.cz/de/index.php?sc=128495},
   biburl      = {https://puma.uni-kassel.de/url/d814be6f6610813c81f74539265478f6/jukempf},
   keywords    = {regen sonne wetter wind},
   added-at    = {2012-06-25T15:12:05.000+0200},
   description = {},
   interhash   = {d814be6f6610813c81f74539265478f6}, 
   intrahash   = {d814be6f6610813c81f74539265478f6}
}