Inelastic neutron scattering study of proton dynamics in Cs3H(SeO4)2 and Rb3H(SeO4)2 A.V. Belushkin, J. Tomkinson et L.A. Shuvalov J. Phys. II France, 3 2 (1993) 217-225 DOI: 10.1051/jp2:1993124