LOCAL ENVIRONMENT OF Zr IN BARYUM FLUOROZIRCONATE GLASSES : THE EXAFS POINT OF VIEW B. BOULARD, A. LE BAIL, J. P. LAVAL et C. JACOBONIJ. Phys. Colloques, 47 C8 (1986) C8-791-C8-794DOI: https://doi.org/10.1051/jphyscol:19868151