CHANDRA, S.; SURANGE, K. Some scale leaves and sporangia from the Raniganj coalfield, India. Journal of Palaeosciences, [S. l.], v. 24, n. 1-3, p. 245–253, 1975. DOI: 10.54991/jop.1975.989. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/989. Acesso em: 15 may. 2024.