[Math] Hilton, Peter, and Jean Pedersen, Symmetry in Theory - Mathematics and Aesthetics.
[KW] Kerr, Jeanne W., and John E. Wetzel, Platonic divisions of space, Mathematics Magazine, 51 (1978), 229 - 234.
[P] Pedersen, Jean, Visualising parallel divisions of space, Math. Gaz. 62 (1978), 250 - 262.