YASMEEN, G., IKRAM, N., HAFEEZ, S., ANSARI, T.M., KHATTAK, A.K., AND AFZAL, M.. "Thermodynamic Studies on Adsorption of Methanol Vapours on Metal-Exchanged Zeolite-A" Pakistan Journal of Analytical & Environmental Chemistry [Online], Volume 5 Number 2 (1 December 2004)