XIA, L., XIGUI, W. and YIN, Z. (2010) “Preparation and Luminescence Properties of Europium(III) and Tungstate Co-doped in Silicate Materials via The Sol-Gel Method”, Asian Journal of Chemistry, 21(5), pp. 3520–3528. Available at: https://asianpubs.org/index.php/ajchem/article/view/17326 (Accessed: 23 July 2024).