@electronic{www.google.com,
   title       = {Rich snippets - Webmaster Tools Help}, 
   url         = {http://www.google.com/support/webmasters/bin/answer.py?answer=99170},
   biburl      = {https://puma.uni-kassel.de/url/17f1dc8ae4f1f2c8413b290f3776f7e0/benz},
   keywords    = {google rdf rich_snippets semantic_web structured_data},
   added-at    = {2011-02-04T16:07:38.000+0100},
   description = {},
   interhash   = {17f1dc8ae4f1f2c8413b290f3776f7e0}, 
   intrahash   = {17f1dc8ae4f1f2c8413b290f3776f7e0}
}