TY - BOOK AU - Conway, J. H. ED - Sloane, N. J. A. TI - Sphere packings , lattices and group T2 - Grundlehrender Mathematischen wissenschaften; v-290 SN - 0387985859 U1 - 511.6 PY - 1999/// CY - Berlin PB - Springer Verlag KW - Combinatorial packing and covering KW - Sphere KW - Lattice theory KW - Finite groups ER -