@electronic{wiki.mozilla.org,
   title       = {Calendar:GDATA Provider - MozillaWiki}, 
   url         = {http://wiki.mozilla.org/Calendar:GDATA_Provider},
   biburl      = {https://puma.uni-kassel.de/url/12880bf3ba1cf0681a2aeb612c2b82ce/hotho},
   keywords    = {calendar google sync thunderbird},
   added-at    = {2008-01-30T09:43:27.000+0100},
   description = {},
   interhash   = {12880bf3ba1cf0681a2aeb612c2b82ce}, 
   intrahash   = {12880bf3ba1cf0681a2aeb612c2b82ce}
}

@electronic{www.goosync.com,
   title       = {GooSync Home Page}, 
   url         = {http://www.goosync.com/},
   biburl      = {https://puma.uni-kassel.de/url/8ecd92d34f2fa43f448b0d3f587b71d6/hotho},
   keywords    = {calendar google handy sync},
   added-at    = {2007-08-22T10:25:46.000+0200},
   description = {},
   interhash   = {8ecd92d34f2fa43f448b0d3f587b71d6}, 
   intrahash   = {8ecd92d34f2fa43f448b0d3f587b71d6}
}

@electronic{www.grinn.net,
   title       = {Incorporate Google Calendar Into Outlook}, 
   url         = {http://www.grinn.net/blog/dev/2006/04/incorporate-google-calendar-into.html},
   biburl      = {https://puma.uni-kassel.de/url/915669202c6b31b84419ae8236ed932f/hotho},
   keywords    = {web calendar 2.0 google handy sync},
   added-at    = {2006-06-02T18:24:50.000+0200},
   description = {},
   interhash   = {915669202c6b31b84419ae8236ed932f}, 
   intrahash   = {915669202c6b31b84419ae8236ed932f}
}