Prasad, M., A. Kannaujia, Alok, and S. K. Singh. “Plant Megaflora from the Siwalik (Upper Miocene) of Darjeeling District, West Bengal, India and Its Palaeoclimatic and Phytogeographic Significance”. Journal of Palaeosciences, vol. 64, no. (1-2), Dec. 2015, pp. 13-94, doi:10.54991/jop.2015.103.