SINGLE-SITE APPROXIMATION VIA IDEAL CRYSTAL GREEN'S FUNCTION : XANES OF ALKALI HALIDES I. I. GEGUSIN et V. N. DATSYUKJ. Phys. Colloques, 47 C8 (1986) C8-97-C8-99DOI: https://doi.org/10.1051/jphyscol:1986817