Coville, Neil, and Alufelwi Tshavhungwe. “Mesoporous Ethanesilica Materials With Bimodal and Trimodal Pore-Size Distributions Synthesised in the Presence of Cobalt Ions”. South African Journal of Science 106, no. 7/8 (July 26, 2010): 5 pages. Accessed May 19, 2024. https://sajs.co.za/article/view/10132.