@electronic{dl380-36.gbv.de,
   title       = {Blick über den Tellerrand}, 
   url         = {http://dl380-36.gbv.de/Tellerrand/Workshop.html},
   biburl      = {https://puma.uni-kassel.de/url/7842fc3b6604a8a640e9d7fe97c58676/hotho},
   keywords    = {gbv search tagging workshop},
   added-at    = {2009-09-18T18:33:57.000+0200},
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}

@electronic{ws.gbv.de,
   title       = {Bibliographic Hash Key}, 
   url         = {http://ws.gbv.de/bibkey/},
   biburl      = {https://puma.uni-kassel.de/url/ebd87ce4fe41937c64b5452af473d99f/hotho},
   keywords    = {bibkey bibliographic bibtex example gbv hash key tools},
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}