@electronic{www.google.com,
   title       = {Google Calendar}, 
   url         = {http://www.google.com/calendar/render},
   biburl      = {https://puma.uni-kassel.de/url/b924ab062dfb8c5173521eab6d2c2947/hotho},
   keywords    = {calendar google kalender fav},
   added-at    = {2006-07-14T11:39:29.000+0200},
   description = {},
   interhash   = {b924ab062dfb8c5173521eab6d2c2947}, 
   intrahash   = {b924ab062dfb8c5173521eab6d2c2947}
}