Emen, F. M., Külcü, N., & Yazıcı, A. N. (2010). Synthesis, characterization and luminescence properties of long afterglow Phosphor Ba4Al14O25:Eu,Dy. European Journal of Chemistry, 1(1), 28–32. https://doi.org/10.5155/eurjchem.1.1.28-32.8