MARTÍN RINCÓN, C. L.; TERRAZA MELO, R. .; ROJAS PARRA, N. R.; MARTÍNEZ APARICIO, G. A.; ROJAS JIMÉNEZ, S.; HERNÁNDEZ GONZÁLEZ, J. S. The Upper Cretaceous (Santonian-Maastrichtian) phosphate deposits in the west of the Neiva subbasin, Upper Magdalena Valley, Colombia. Boletín Geológico, [S. l.], v. 49, n. 2, p. 75–96, 2022. DOI: 10.32685/0120-1425/bol.geol.49.2.2022.621. Disponível em: https://revistas.sgc.gov.co/index.php/boletingeo/article/view/621. Acesso em: 28 mar. 2024.