Yoon, Hee-Seung, SeungKon Ryu, Won-Chun Oh, and Feng-Jun Zhang. 2011. “Easy Route to Modified Activated Carbon Honeycombs for Removal of Methyl Mercaptan”. Asian Journal of Chemistry 24 (2):621-25. https://asianpubs.org/index.php/ajchem/article/view/8631.