Investigation of oxygen disorder, thermal parameters, lattice vibrations and elastic constants of UO2 and ThO2 at temperatures up to 2 930 K K. Clausen, W. Hayes, M. T. Hutchings, J.E. Macdonald, R. Osborn et P. SchnabelRev. Phys. Appl. (Paris), 19 9 (1984) 719-722DOI: https://doi.org/10.1051/rphysap:01984001909071900