Sung Lim, Chang. “Upconversion Properties of La2(MoO4)3:Er3+ Yb3+ Green Phosphors Synthesized by Cyclic Microwave-Modified Sol-Gel Method”. Asian Journal of Chemistry 27, no. 7 (March 30, 2015): 2593–2597. Accessed May 8, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_7_56.