Citation: Kempa, P.B.; Wiebcke, M.; Assmann, S.; Felsche, J.; Behrens, P. (1995). The structures of anhydrous silver sodalite Ag3 (Al3 Si3 O12) at 298, 623, and 723K from Rietveld refinements of X-ray powder diffraction data: mechanism of thermal expansion and of the phase transition at 678K. Journal of Solid State Chemistry, 115, pp. 55-65.