@electronic{www.scirus.com,
   title       = {Scirus - for scientific information}, 
   url         = {http://www.scirus.com/},
   biburl      = {https://puma.uni-kassel.de/url/fbaff8f994e166b0d06b051776453fd7/hotho},
   keywords    = {academic library reference science search},
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}

@electronic{beta.pregolia.com,
   title       = {Pregolia » Welcome to Pregolia!}, 
   url         = {http://beta.pregolia.com/about/welcome},
   biburl      = {https://puma.uni-kassel.de/url/15d26d58dad36d32da9fc1795980ef33/hotho},
   keywords    = {academic community conference journal lists publication tagging tools},
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   description = {},
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}

@electronic{www.osotis.de,
   title       = {Osotis: Academic Video Search}, 
   url         = {http://www.osotis.de/},
   biburl      = {https://puma.uni-kassel.de/url/87d6d70bdcec051fee4749313018e1ba/hotho},
   keywords    = {academic search video},
   added-at    = {2007-03-14T17:37:37.000+0100},
   description = {Drittmittelprojekt FSU Jena
},
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   intrahash   = {87d6d70bdcec051fee4749313018e1ba}
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@electronic{www.osotis.com,
   title       = {OSOTIS Academic Video Search 1970-01-01 01:00:00.0/W2}, 
   url         = {http://www.osotis.com/},
   biburl      = {https://puma.uni-kassel.de/url/6ef505041e5fe7462f2830d6a5d1151a/hotho},
   keywords    = {academic search video},
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}

@electronic{libra.msra.cn,
   title       = {Libra Academic Search}, 
   url         = {http://libra.msra.cn/},
   biburl      = {https://puma.uni-kassel.de/url/49e579fb7a9544d386af6794c4b5a2f2/hotho},
   keywords    = {citeseer search engine scholar tools google academic},
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}

@electronic{academic.research.microsoft.com,
   title       = {Andreas Hotho - Microsoft Academic Search}, 
   url         = {http://academic.research.microsoft.com/Author/1348132.aspx},
   biburl      = {https://puma.uni-kassel.de/url/f60fdc58f076c1b1a80bd10d4a15c21d/hotho},
   keywords    = {academic microsoft myown researcher search},
   added-at    = {2010-10-04T10:41:13.000+0200},
   description = {View Andreas Hotho's professional profile. },
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   intrahash   = {f60fdc58f076c1b1a80bd10d4a15c21d}
}

@electronic{www.mendeley.com,
   title       = {Academic software for research papers | Mendeley}, 
   url         = {http://www.mendeley.com/},
   biburl      = {https://puma.uni-kassel.de/url/c085101cd391e8aa584978b9a932062d/hotho},
   keywords    = {academic manager papers publication reference research software},
   added-at    = {2009-07-20T13:19:06.000+0200},
   description = {Academic software for bibliography creation and research paper management by Mendeley},
   interhash   = {c085101cd391e8aa584978b9a932062d}, 
   intrahash   = {c085101cd391e8aa584978b9a932062d}
}

@electronic{www.academia.edu,
   title       = {Academia.edu | Home}, 
   url         = {http://www.academia.edu/},
   biburl      = {https://puma.uni-kassel.de/url/7e9cce4207ac1e2d3af40f4e1daf7e18/hotho},
   keywords    = {2.0 academic network service social tools web},
   added-at    = {2008-12-05T12:10:39.000+0100},
   description = {},
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