Sung Lim, C. 2015. Synthesis of NaGd(MoO4)2:Eu3+/Yb3+ Phosphors by Cyclic Microwave-Modified Sol-Gel Method and their Upconversion Photoluminescence Properties. Asian Journal of Chemistry. 27, 10 (Jun. 2015), 3539–3542. DOI:https://doi.org/10.14233/ajchem.2015.18715.