MARTÍNEZ , J. l. Microfossils of the Guadalupe group and the Guaduas formation (campaniano-maastrichtlano) in the Tausa section, Cundinamarca, Colombia. CT&F - Ciencia, Tecnología y Futuro, [S. l.], v. 1, n. 1, p. 65–81, 1995. DOI: 10.29047/01225383.608. Disponível em: https://ctyfjournalecopetrolcomco.biteca.online/index.php/ctyf/article/view/608. Acesso em: 27 feb. 2026.