Origin of the incommensurate phase of quartz: I. Inelastic neutron scattering study of the high temperature β phase of quartz G. Dolino, B. Berge, M. Vallade et F. MoussaJ. Phys. I France, 2 7 (1992) 1461-1480DOI: https://doi.org/10.1051/jp1:1992222