BHARADWAJ, D. The organization in pollengrains of some early conifers. Journal of Palaeosciences, [S. l.], v. 12, n. (1-3), p. 18–27, 1963. DOI: 10.54991/jop.1963.640. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/640. Acesso em: 23 may. 2024.