Librantz, A. F. H., Tarelho, L. V. G., Gomes, L., & Ranieri, I. M. (2008). Study of UV fluorescences induced from 4f3 T 4f25d multistep absorptions of Nd3+ions in YLiF4 and LuLiF4 crystals. Exacta, 4(1), 179–183. https://doi.org/10.5585/exacta.v4i1.671