SUPPLEMENTARY WOLFRAM MATERIALS for the ARTICLES:
Limpanuparb, T.; Milthorpe J. Associated Legendre Polynomials and Spherical Harmonics Computation for Chemistry Applications. Proceedings of The 40th Congress on Science and Technology of Thailand. 2014 Dec 2-4, Khon Kaen, Thailand. 233-241. arXiv:1410.1748
Dominici, D. E.; Gill P. M. W.; Limpanuparb T. A remarkable identity involving Bessel functions. Proc. R. Soc. A. 2012, 468(2145), 2667–2681. doi: 10.1098/rspa.2011.0664