Zeng, Qihua, Hongbin Liang, and Menglian Gong. “Preparation of Tetra-Tungstate Red Phosphors and Corresponding White Light-Emitting Diodes”. Asian Journal of Chemistry 25, no. 11 (June 5, 2013): 5971–5974. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_12_20.