POTONIE, R. Flozidentifizierung Und Sporologie (IM Oberkarbon). Journal of Palaeosciences, [S. l.], v. 15, n. (1-3), p. 55–58, 1966. DOI: 10.54991/jop.1966.748. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/748. Acesso em: 13 may. 2024.