@electronic{googlewebmastercentral.blogspot.com,
   title       = {Official Google Webmaster Central Blog: Introducing schema.org: Search engines come together for a richer web}, 
   url         = {http://googlewebmastercentral.blogspot.com/2011/06/introducing-schemaorg-search-engines.html},
   biburl      = {https://puma.uni-kassel.de/url/beb90946105b0fc16d53354150b179e8/stephandoerfel},
   keywords    = {blog google markup richsnippet schema.org testing tool},
   added-at    = {2011-08-01T14:54:05.000+0200},
   description = {},
   interhash   = {beb90946105b0fc16d53354150b179e8}, 
   intrahash   = {beb90946105b0fc16d53354150b179e8}
}