BHARADWAJ, D.; TRIPATHI, A. A palynostratigraphic study of Lower Gondwana sediments from South Karanpura coalfield, Bihar, India. Journal of Palaeosciences, [S. l.], v. 25, n. 1-3, p. 39–61, 1976. DOI: 10.54991/jop.1976.995. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/995. Acesso em: 8 may. 2024.