PROSSL, Klaus F.; GROSSER, Joachim R. Some new palynomorphs from the Silurian of the Quetame Massif, Cordillera Oriental, Colombia, South America. Boletín Geológico, [S. l.], v. 34, n. 2-3, p. 28–38, 1994. DOI: 10.32685/0120-1425/bolgeol34.2-3.1994.357. Disponível em: https://revistas.sgc.gov.co/index.php/boletingeo/article/view/357. Acesso em: 22 feb. 2025.