Shi, Gao-Feng, Jian Miao, Guo-Ying Wang, Jin-Mei Su, and Hai-Xiao Liu. “Synthesis of Polyoxymethylene Dimethyl Ethers Catalyzed by Rare Earth Compounds”. Asian Journal of Chemistry 27, no. 6 (March 18, 2015): 2149–2153. Accessed April 2, 2025. https://asianpubs.org/index.php/ajchem/article/view/27_6_46.