%0 Journal Article %A Ronald Brown %A Christopher D. Wensley %T On finite induced crossed modules and the homotopy 2-type of mapping cones, %J Theory and applications of categories %D 1995 %P 54-71 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_1995_1_a2/ %G en %F TAC_1995_1_a2