HOLEBURNING AND ODNMR STUDY OF A Eu3+ SITE IN CaF2 A. J. Silversmith, A. P. Radlinski et N. B. MansonJ. Phys. Colloques, 46 C7 (1985) C7-531-C7-535DOI: https://doi.org/10.1051/jphyscol:1985795