Huyghe, P., R. Guilbaud, M. Bernet, and A. P. Gajurel. “Significance of the Clay Mineral Distribution in the Fluvial Sediments of the Neogene Himalayan Foreland Basin (central Nepal)”. Himalayan Journal of Sciences, vol. 5, no. 7, Sept. 2008, p. 100, doi:10.3126/hjs.v5i7.1293.