@electronic{ws.gbv.de,
   title       = {Bibliographic Hash Key}, 
   url         = {http://ws.gbv.de/bibkey/},
   biburl      = {https://puma.uni-kassel.de/url/ebd87ce4fe41937c64b5452af473d99f/hotho},
   keywords    = {bibkey bibliographic bibtex example gbv hash key tools},
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@electronic{www.plaschg.net,
   title       = {Bibwiki - Bibliographic Management - Extend Mediawiki to manage BibTeX bibliographies}, 
   url         = {http://www.plaschg.net/bibwiki/},
   biburl      = {https://puma.uni-kassel.de/url/214e2f802c7759917873a3a207bb2bcb/hotho},
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@electronic{www.cs.umd.edu,
   title       = {DDupe}, 
   url         = {http://www.cs.umd.edu/projects/linqs/ddupe/},
   biburl      = {https://puma.uni-kassel.de/url/43a221cb139708fcd42c955322d500fd/hotho},
   keywords    = {bibliographic bibtex detection duplicate entry tools},
   added-at    = {2007-08-29T15:58:58.000+0200},
   description = {A Novel Tool for Interactive Data Deduplication and Integration},
   interhash   = {43a221cb139708fcd42c955322d500fd}, 
   intrahash   = {43a221cb139708fcd42c955322d500fd}
}

@electronic{www.alexa.com,
   title       = {Alexa - Sites in: Bibliographic Utilities}, 
   url         = {http://www.alexa.com/browse/general/?&CategoryID=131215&mode=general&Start=1&SortBy=Popularity},
   biburl      = {https://puma.uni-kassel.de/url/d9807d18cf5314da46cfae2702191c3c/hotho},
   keywords    = {alexa bibliographic bibsonomy tools},
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   interhash   = {d9807d18cf5314da46cfae2702191c3c}, 
   intrahash   = {d9807d18cf5314da46cfae2702191c3c}
}

@electronic{meta.wikimedia.org,
   title       = {Wikicat - Meta}, 
   url         = {http://meta.wikimedia.org/wiki/Wikicat},
   biburl      = {https://puma.uni-kassel.de/url/05dba36aa1b154857e4fd82864942632/hotho},
   keywords    = {wiki project library bibliographic cite reference},
   added-at    = {2006-12-09T11:02:40.000+0100},
   description = {Wikicat is the bibliographic catalog used by the Wikicite and WikiTextrose projects.},
   interhash   = {05dba36aa1b154857e4fd82864942632}, 
   intrahash   = {05dba36aa1b154857e4fd82864942632}
}

@electronic{dmoz.org,
   title       = {Open Directory - Reference: Libraries: Library and Information Science: Technical Services: Cataloguing: Bibliographic Utilities}, 
   url         = {http://dmoz.org/Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/Bibliographic_Utilities/},
   biburl      = {https://puma.uni-kassel.de/url/2be93613a90738a1e1775d69177cf4f7/hotho},
   keywords    = {bibsonomy dmoz bibliographic references},
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   description = {},
   interhash   = {2be93613a90738a1e1775d69177cf4f7}, 
   intrahash   = {2be93613a90738a1e1775d69177cf4f7}
}

@electronic{www.cs.umass.edu,
   title       = {Andrew McCallum's Code and Data}, 
   url         = {http://www.cs.umass.edu/~mccallum/code-data.html},
   biburl      = {https://puma.uni-kassel.de/url/82abe9d9f255c26b3d150e809eea0dc1/hotho},
   keywords    = {ie dataset bibliographic references cora},
   added-at    = {2006-05-11T09:55:41.000+0200},
   description = {Cora Citation Matching [reference matching, object correspondence]
Text of citations hand-clustered into groups referring to the same paper.},
   interhash   = {82abe9d9f255c26b3d150e809eea0dc1}, 
   intrahash   = {82abe9d9f255c26b3d150e809eea0dc1}
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@electronic{wikindx.sourceforge.net,
   title       = {WIKINDX 3}, 
   url         = {http://wikindx.sourceforge.net/index2.html},
   biburl      = {https://puma.uni-kassel.de/url/f3ca8493ddbf6b02f0388acb135abf47/hotho},
   keywords    = {bibtex tools systems bibliographic},
   added-at    = {2006-05-08T11:50:46.000+0200},
   description = {WIKINDX is a free bibliographic and quotations/notes management and article authoring system designed either for single use (on a variety of operating sytems) or multi-user collaborative use across the internet.},
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   intrahash   = {f3ca8493ddbf6b02f0388acb135abf47}
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