@electronic{www.springerexemplar.com,
   title       = {Springer Exemplar: Search Results}, 
   url         = {http://www.springerexemplar.com/search.aspx?q=%22formal%20concept%20analysis%22},
   biburl      = {https://puma.uni-kassel.de/url/8004ed9b2c54f4e3fbb8a27db16cce32/stumme},
   keywords    = {literatur springer springerexemplar suche volltext volltextsuche},
   added-at    = {2010-10-08T20:38:10.000+0200},
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}