SINGH, V. Some "Acritarchs" and other microfossils from Barakar stage of Lower Gondwanas, India. Journal of Palaeosciences, [S. l.], v. 17, n. (1-3), p. 326–331, 1968. DOI: 10.54991/jop.1968.811. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/811. Acesso em: 5 may. 2024.