RADIATION DEFECT AND 3d IMPURITY ABSORPTION IN MgF2 AND KMgF3 CRYSTALS W. A. SIBLEY, S. I. YUN et L. N. FEUERHELMJ. Phys. Colloques, 34 C9 (1973) C9-503-C9-506DOI: https://doi.org/10.1051/jphyscol:1973984