Krimmel, A., Loidl, A., Eccleston, R., Geibel, C., & Steglich, F. (1996). Magnetic
excitations and the search for crystal-field transitions in the heavy-fermion superconductor UPd2Al3. Journal of Physics: Condensed Matter, 8(11), 1677-1685. doi:10.1088/0953-8984/8/11/012.