Srivastava, G. et al. 2017. Dipterocarpus Gaertn. (Dipterocarpaceae) leaf from the Middle Siwalik of eastern Nepal and its phytogeographic and climatic significance. Journal of Nepal Geological Society. 53, (Dec. 2017), 39–45. DOI:https://doi.org/10.3126/jngs.v53i0.23799.