Khan, Easir, Arvind Rajendran, and Zhiping Lai. “Fixed-Bed Adsorption Separation Of Xylene Isomers over SiO2/Silicallite-1 Core-Shell Adsorbents”. Chemical Engineering Research Bulletin 16, no. 1 (December 29, 2013): 1-15. Accessed May 11, 2021. https://www.banglajol.info/index.php/CERB/article/view/17470.