https://research.ibm.com/publications/infrared-dielectric-dispersion-and-lattice-dynamics-of-uranium-dioxide-and-thorium-dioxide
Infrared dielectric dispersion and lattice dynamics of uranium dioxide and thorium dioxide for...
Infrared dielectric dispersion and lattice dynamics of uranium dioxide and thorium dioxide for Physical Review by J.D. Axe et al.
dielectric dispersionuranium dioxideinfraredlatticedynamics