Singh, S. K., and M. Prasad. “Record of Fossil Leaves of Ziziphus and Lagerstroemia from Mahuadanr Valley, Jharkhand, India and Their Ecological Implications”. Journal of Palaeosciences, vol. 59, no. (1-3), Dec. 2010, pp. 55-61, doi:10.54991/jop.2010.188.