Julivert, M. (1963) “Stratigraphy and sedimentology of the lower part of the Guaduas Formation to the south of the Sabana de Bogotá”., Boletín de Geología, (12), pp. 85–99. Available at: https://revistas.uis.edu.co/index.php/revistaboletindegeologia/article/view/5732 (Accessed: 19 May 2024).