Sung Lim, Chang. 2012. “Synthesis and Characterization of Upconversion Photoluminescence Er3+, Yb3+ Co-Doped SrMoO4 Particles via Microwave-Assisted Metathetic Route”. Asian Journal of Chemistry 24 (12):5662-64. https://asianpubs.org/index.php/ajchem/article/view/9947.