EXAFS AND NEXAFS STUDIES OF CATION ENVIRONMENTS IN OXIDE GLASSES G. E. BROWN, Jr., G. A. WAYCHUNAS, C. W. PONADER, W. E. JACKSON et D. A. McKEOWNJ. Phys. Colloques, 47 C8 (1986) C8-661-C8-668DOI: https://doi.org/10.1051/jphyscol:19868125