Maithy, P. “Studies in the Glossopteris Flora of India - 33. Fossil Plants and Miospores from the Coal Bearing Beds of the Umaria Coalfield With Some Remarks on the Age of the Beds”. Journal of Palaeosciences, vol. 14, no. (1-3), Dec. 1965, pp. 52-60, doi:10.54991/jop.1965.714.