@electronic{www.archive.org,
   title       = {Internet Archive}, 
   url         = {http://www.archive.org/},
   biburl      = {https://puma.uni-kassel.de/url/6b9fd95627aed137163c19978da0ff68/hotho},
   keywords    = {archive engine history internet library search},
   added-at    = {2007-07-31T11:08:59.000+0200},
   description = {},
   interhash   = {6b9fd95627aed137163c19978da0ff68}, 
   intrahash   = {6b9fd95627aed137163c19978da0ff68}
}

@electronic{www.computerposter.ch,
   title       = {Das Poster - Le Poster – The Poster - Il Poster}, 
   url         = {http://www.computerposter.ch/},
   biburl      = {https://puma.uni-kassel.de/url/0031bdeb0bf97f1912e6268e0a04cfb6/hotho},
   keywords    = {computer geschichte history informatik survey überblick},
   added-at    = {2011-10-17T22:17:06.000+0200},
   description = {},
   interhash   = {0031bdeb0bf97f1912e6268e0a04cfb6}, 
   intrahash   = {0031bdeb0bf97f1912e6268e0a04cfb6}
}