Neetu Chandra , Pateshwari Prasad Tripathi. “Leaf-Impression and Palaeoscientific Study of Siwalik-Belt of Koilabas in Western Nepal: Part-1”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 4, Apr. 2021, pp. 8139-57, https://www.archives.palarch.nl/index.php/jae/article/view/7629.