%0 Journal Article %A J.H. Conway %A N.J.A. Sloane %T The antipode construction for sphere packings. %J Inventiones mathematicae %D 1996 %P 309-314 %V 123 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1996__123_3_144347/ %F IM_1996__123_3_144347