Ulak, P. D., and K. Nakayama. “Palaeohydrological Characteristics of the Amlekhganj Formation in Central Nepal Sub Himalaya”. Journal of Nepal Geological Society 19 (December 1, 1999): 9–18. Accessed November 22, 2024. https://nepjol.info./index.php/JNGS/article/view/32081.