DIELECTRIC STUDIES OP 60Co-IRRADIATED AND OXYGEN-ANNEALED RARE-EARTH DOPED CALCIUM FLUORIDE J. FONTANELLA, D. BAIR et C. ANDEEN J. Phys. Colloques, 37 C7 (1976) C7-273-C7-278 DOI: 10.1051/jphyscol:1976766