@electronic{www.reliwa.de,
   title       = {Reliwa.de - Der Treffpunkt für Bücher-, Musik- und Filmliebhaber}, 
   url         = {http://www.reliwa.de/},
   biburl      = {https://puma.uni-kassel.de/url/d68a5d6433dfd9972e21457a0454d777/hotho},
   keywords    = {books bücher folksonomy music tagging tools},
   added-at    = {2008-01-01T17:36:51.000+0100},
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   interhash   = {d68a5d6433dfd9972e21457a0454d777}, 
   intrahash   = {d68a5d6433dfd9972e21457a0454d777}
}

@electronic{reader2.com,
   title       = {Reader² - find new books to read, put your reading list online}, 
   url         = {http://reader2.com/},
   biburl      = {https://puma.uni-kassel.de/url/5d94bafe43cc1b4cdec3ff1e733fa7e7/hotho},
   keywords    = {2.0 bookmarking books folksonomy social tools web},
   added-at    = {2007-06-18T17:26:44.000+0200},
   description = {},
   interhash   = {5d94bafe43cc1b4cdec3ff1e733fa7e7}, 
   intrahash   = {5d94bafe43cc1b4cdec3ff1e733fa7e7}
}

@electronic{www.lovelysystems.com,
   title       = {Lovely Systems webmachines — Lovely Systems}, 
   url         = {http://www.lovelysystems.com/breidenbruecker/2007/03/06/lovely-books/},
   biburl      = {https://puma.uni-kassel.de/url/af8645d12307121435a099668b5e683f/hotho},
   keywords    = {2.0 books bücher folksonomy tools web},
   added-at    = {2007-03-11T15:01:18.000+0100},
   description = {},
   interhash   = {af8645d12307121435a099668b5e683f}, 
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}