BHARADWAJ, D.; SAH, S.; TIWARI, R. Sporological analysis of some coal and carbonaceous shales from Barren measure stage (Lower Gondwana) of India. Journal of Palaeosciences, [S. l.], v. 13, n. (1-3), p. 222–226, 1964. DOI: 10.54991/jop.1964.698. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/698. Acesso em: 13 may. 2024.