Zhai, Qing-Zhou, Zhi-Kun Xu, and Yu Xue. “Encapsulation of Lead Sulphide in SBA-15 Molecular Sieve”. Asian Journal of Chemistry 22, no. 9 (July 9, 2010): 7327–7335. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/11985.