Spectroscopic properties of Fe3+ in GGG and the effect of co-doping with rare-earth ions V. LUPEI, M. J. ELEJALDE, A. BRENIER et G. BOULONJ. Phys. IV France, 04 C4 (1994) C4-329-C4-332DOI: https://doi.org/10.1051/jp4:1994478