Sung Lim, Chang. 2014. “Upconversion Properties of CaGd2(MoO4)4:Er3+ Yb3+ Green Phosphors Synthesized by A Cyclic Microwave-Modified Sol-Gel Method”. Asian Journal of Chemistry 26 (24):8353-57. https://doi.org/10.14233/ajchem.2014.17404.