Silica polymorphs, glass and melt: An in situ high temperature XAS study at the Si K-edge - de Ligny, Dominique; Neuville, D. R.; Cormier, L.; Roux, J.; Henderson, G. S.; Panczer, G.; Shoval, S.; Flank, A. -M.; Lagarde, P. (Journal of Non-Crystalline Solids, 2009)