High resolution nuclear magnetic resonance study of the mobility in solid cryolite, Na3AlF6, from room temperature up to 300 °CV. Lacassagne, C. Bessada, D. Massiot, P. Florian and J.-P. CouturesJ. Chim. Phys., 95 2 (1998) 322-326DOI: https://doi.org/10.1051/jcp:1998139