Bhandari, S., K. Paudayal, and A. Momohara. “Late Pleistocene Plant Macrofossils from the Gokarna Formation of the Kathmandu Valley, Central Nepal”. Journal of Nepal Geological Society, vol. 36, Feb. 2008, p. 8, https://nepjol.info./index.php/JNGS/article/view/763.