%0 Journal Article %A S. Umbreit %T Properties of Prealgebraic Lattices Investigated by Means of Formal Concept Analysis %J Beiträge zur Algebra und Geometrie %D 1992 %P 139-152 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/BAG_1992__33_138512/ %F BAG_1992__33_138512