1. M. A. Walton, “Polytope sums and Lie characters,” in Proceedings of a Workshop Held at the CRM, Université de Montréal, 12–14 September 2002;
2. in Symmetry in Physics—In Memory of Robert T. Sharp, Centre de Recherche Mathématiques Proceedings and Lecture Notes Vol. 34, edited by P. Winternitz et al. (American Mathematical Society, 2004), pp. 203–214; e-print arXiv:math-ph/0405016.
3. Ph.D. thesis, The State University of New Jersey, New Brunswick, 2004.