Song, Guoqiang, Shougao Li, Lisheng Wang, Yin Meng, and Fuxiang Li. “Direct Synthesis and Characterization of Zr-SBA-15 Mesoporous Molecular Sieves”. Asian Journal of Chemistry 26, no. 7 (March 31, 2014): 1943–1947. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_8_13.