@electronic{de.wikipedia.org,
   title       = {PUMA (Akademisches Publikationsmanagement) – Wikipedia}, 
   url         = {http://de.wikipedia.org/wiki/PUMA_(Akademisches_Publikationsmanagement)},
   biburl      = {https://puma.uni-kassel.de/url/46c06b79fb2e4f92514b0c06153f4d25/bibtestuser},
   keywords    = {latexkurs publikationsmanagment puma},
   added-at    = {2014-03-14T11:17:08.000+0100},
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}

@electronic{de.wikipedia.org,
   title       = {PUMA (Akademisches Publikationsmanagement) - Wikipedia}, 
   url         = {http://de.wikipedia.org/wiki/Wikipedia:Hauptseite},
   biburl      = {https://puma.uni-kassel.de/url/26edf2c35acc629ed24b1119ddd5a808/juergen89},
   keywords    = {publikationsmanagment puma},
   added-at    = {2014-01-28T08:29:12.000+0100},
   description = {social bookmarking and publication system},
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}