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  1. Börner, K.: Atlas of knowledge : anyone can map (2015) 0.01
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    Date
    22. 1.2017 16:54:03
    22. 1.2017 17:10:56
  2. Boerner, K.: Atlas of science : visualizing what we know (2010) 0.01
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    Date
    22. 1.2017 17:12:16