Supara Tokunalai. (1999) Intercalation in some clay minerals. Mahidol University,:ม.ป.ท.Supara Tokunalai. 1999. Intercalation in some clay minerals. ม.ป.ท.:Mahidol University,;Supara Tokunalai. Intercalation in some clay minerals. ม.ป.ท.:Mahidol University, 1999. Print.