FRACTONS AND THE HOMOGENEOUS LINEWIDTH OF THE 5D0 - 7F0 TRANSITION IN Eu3+-DOPED GLASSES G. S. Dixon, R. C. Powell et X. GangJ. Phys. Colloques, 46 C7 (1985) C7-331-C7-335DOI: https://doi.org/10.1051/jphyscol:1985760