Raman scattering and local order in GexSe 1 -x glasses for 1/3 ≤ x ≤ 1/2 P. Tronc, M. Bensoussan, A. Brenac, G. Errandonea et C. SebenneJ. Phys. France, 38 12 (1977) 1493-1498DOI: https://doi.org/10.1051/jphys:0197700380120149300