Wirawan, S. K., M. Petersson, and D. Creaser. “Adsorption of CO, CO2 and H2 in Silicalite-1: Measurements and Simulations”. ASEAN Journal of Chemical Engineering, Vol. 8, no. 1, Dec. 2008, pp. 9-19, https://journal.ugm.ac.id/v3/AJChE/article/view/7693.