Optical vibration modes in Hg1-xZnxTe solid solutions near q=0 G. Le Bastard, R. Granger, S. Rolland, Y. Marqueton et R. Triboulet J. Phys. France, 50 21 (1989) 3223-3232 DOI: 10.1051/jphys:0198900500210322300