%0 Journal Article %A Niewiadomski, A. %A Ochelska, J. %A Szczepaniak, P. S. %T Interval-valued linguistic summaries of databases %J Control and Cybernetics %D 2006 %P 415-443 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2006_35_2_a12/ %G en %F CC_2006_35_2_a12