%0 Journal Article %A Michael Barr %A John F. Kennison %A R. Raphael %T Isbell duality %J Theory and applications of categories %D 2008 %P 504-542 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2008_20_a14/ %G en %F TAC_2008_20_a14