@electronic{www.consumingexperience.com,
   title       = {A Consuming Experience: How to backup your Google Calendar automatically, regularly, for free}, 
   url         = {http://www.consumingexperience.com/2010/04/how-to-backup-your-google-calendar.html},
   biburl      = {https://puma.uni-kassel.de/url/a975d8eeae9fe92e5ff40354ab8b6d4b/stumme},
   keywords    = {backup calendar google kalender},
   added-at    = {2013-11-21T15:42:09.000+0100},
   description = {},
   interhash   = {a975d8eeae9fe92e5ff40354ab8b6d4b}, 
   intrahash   = {a975d8eeae9fe92e5ff40354ab8b6d4b}
}