en Skilling, John (), „Uniform Compounds of Uniform Polyhedra”, Mathematical Proceedings of the Cambridge Philosophical Society, 79: 447–457, doi:10.1017/S0305004100052440, MR0397554
doi.org
en Skilling, John (), „Uniform Compounds of Uniform Polyhedra”, Mathematical Proceedings of the Cambridge Philosophical Society, 79: 447–457, doi:10.1017/S0305004100052440, MR0397554