Sung Lim, Chang. “Synthesis of KLa(WO4)2:Ho3+ Yb3+ Phosphors via Microwave-Assisted Sol-Gel Route and Their Upconversion Photoluminescence Properties”. Asian Journal of Chemistry 27, no. 7 (March 30, 2015): 2603–2607. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_7_58.