@article{IM_1996__123_3_144347,
     author = {J.H. Conway and N.J.A. Sloane},
     title = {The antipode construction for sphere packings.},
     journal = {Inventiones mathematicae},
     pages = {309--314},
     publisher = {mathdoc},
     volume = {123},
     number = {3},
     year = {1996},
     zbl = {0852.52010},
     url = {http://geodesic.mathdoc.fr/item/IM_1996__123_3_144347/}
}