@electronic{www.heise.de,
   title       = {URLs aus c't 25/2006}, 
   url         = {http://www.heise.de/ct/06/25/urls/},
   biburl      = {https://puma.uni-kassel.de/url/3f6565068449f453842809b98f14df76/hotho},
   keywords    = {2006 c't bibsonomy urls heise},
   added-at    = {2006-11-26T14:41:13.000+0100},
   description = {},
   interhash   = {3f6565068449f453842809b98f14df76}, 
   intrahash   = {3f6565068449f453842809b98f14df76}
}

@electronic{www.xmltage.de,
   title       = {XML-Tage in Berlin}, 
   url         = {http://www.xmltage.de/},
   biburl      = {https://puma.uni-kassel.de/url/e38ed5c55d72d8a17b27d96b0a06cd93/hotho},
   keywords    = {2006 folksonomy bibsonomy conference xml},
   added-at    = {2006-09-26T09:19:03.000+0200},
   description = {},
   interhash   = {e38ed5c55d72d8a17b27d96b0a06cd93}, 
   intrahash   = {e38ed5c55d72d8a17b27d96b0a06cd93}
}