BHARDWAJ, D. An approach to the problem of taxonomy and classification in the study of Sporae dispersae. Journal of Palaeosciences, [S. l.], v. 4, p. 3–9, 1955. DOI: 10.54991/jop.1955.464. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/464. Acesso em: 15 may. 2024.