The Coxeter-Todd Lattice, The Mitchell Group and Related Sphere Packings

J. H. Conway and N. J. A. Sloane, Math. Proc. Comb. Phil. Soc., 93 (1983), pp. 421-440.

Pages 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440.