%0 Conference Paper
%1 Wille89a
%A Wille, Rudolf
%B Data analysis, learning symbolic and numeric
      knowledge
%C New~York--Budapest
%D 1989
%E Diday, E.
%I Nova Science Publishers
%K fba formal begriffsanalyse concept forschungsgruppe ag1 tu formale analysis lattices fca darmstadt
%P 365-380
%T Knowledge acquisition by methods of formal
      concept analysis