%0 Journal Article %A Pearl, Judea %A Geiger, Dan %A Verma, Thomas %T Conditional independence and its representations %J Kybernetika %D 1989 %P 33-44 %V 25 %N Suppl %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1989__25_Suppl_a5/ %G en %F KYB_1989__25_Suppl_a5