@electronic{www.heise.de,
   title       = {Alternativen zum Marktführer | c't}, 
   url         = {http://www.heise.de/ct/artikel/Googlehagel-290458.html},
   biburl      = {https://puma.uni-kassel.de/url/7d37aa7bb8f299ef3e6683a2c30a8dfc/stumme},
   keywords    = {IR alternative alternativen google suchmaschinen},
   added-at    = {2012-01-23T21:16:40.000+0100},
   description = {},
   interhash   = {7d37aa7bb8f299ef3e6683a2c30a8dfc}, 
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}