@electronic{www.last.fm,
   title       = {Last.fm}, 
   url         = {http://www.last.fm/},
   biburl      = {https://puma.uni-kassel.de/url/1c8096ac2d56e1c521b605aa3b9b151f/hotho},
   keywords    = {bookmark collaborative music tagging musik system},
   added-at    = {2005-11-18T11:08:29.000+0100},
   description = {},
   interhash   = {1c8096ac2d56e1c521b605aa3b9b151f}, 
   intrahash   = {1c8096ac2d56e1c521b605aa3b9b151f}
}