Citation: Lignie, Adrien; Granier, Dominique; Armand, Pascale; Haines, Julien; Papet, Philippe (2012). Modulation of quartz-like GeO~2~ structure by Si substitution: an X-ray diffraction study of Ge~1{-~x}Si~x~O~2~ (0 {\/leq} x < 0.2) flux-grown single crystals. Journal of Applied Crystallography, 45, pp. 272-278.