Bajpai, U. “Floristic, Age and Stratigraphical Position of Fossiliferous Band in Chitra Mine Area, Saharjuri Outlier, Deogarh Coalfield, Bihar”. Journal of Palaeosciences, vol. 37, no. (1-3), Dec. 1988, pp. 306-15, doi:10.54991/jop.1988.1628.