The absorption spectrum of a heteropolar crystal : the rôle of many-particle effects N. Meskini, W. Hanke, H.J. Mattausch, M. Balkanski et M. ZouaghiJ. Phys. France, 45 10 (1984) 1707-1715DOI: https://doi.org/10.1051/jphys:0198400450100170700
