Kar R. Palynology of the Barren Measures Sequence from Jharia Coalfield, Bihar, India-3. Studies on the Megaspores. JPS [Internet]. 1967 Dec. 31 [cited 2024 Jul. 18];16((1-3):292-300. Available from: https://jpsonline.co.in/index.php/jop/article/view/531