%0 Conference Paper %1 ganter86conceptual %A Ganter, Bernhard %A Stahl, Jürgen %A Wille, Rudolf %B Classification as a tool of research %C Amsterdam %D 1986 %E Gaul, W. %E Schader, Martin %I North--Holland %K ag1 analysis begriffsanalyse concept darmstadt fba fca formal formale forschungsgruppe lattices tu %P 169-176 %T Conceptual measurement and many--valued contexts