@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},
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@electronic{www.streamman.net,
   title       = {StreamMan a Sony Network Service}, 
   url         = {http://www.streamman.net/evo/web/stream/257_EN},
   biburl      = {https://puma.uni-kassel.de/url/30c2cfc8589ee1216aa07523f53fa4bc/hotho},
   keywords    = {folksonomy tools music tag tagora songs},
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