[1]
Maheshwari, H. and Bajpai, U. 1986. An abnormal megaspore from Lower Permian Coal Measures near lake Tanganyika, Zaire. Journal of Palaeosciences. 35, (1-3) (Dec. 1986), 175–177. DOI:https://doi.org/10.54991/jop.1986.1525.