Librantz, André Felipe Henriques, et al. “Study of UV Fluorescences Induced from 4f3 T 4f25d Multistep Absorptions of Nd3+ions in YLiF4 and LuLiF4 Crystals”. Exacta, vol. 4, nº 1, março de 2008, p. 179-83, doi:10.5585/exacta.v4i1.671.