Contreras OM, Corzo R, Saavedra NF, Calderón Z-H. Methodology to calculate the fracture gradient in a tectonically active zone: an application in Colombian foothills. CT&F Cienc. Tecnol. Futuro [Internet]. 2009 Dec. 31 [cited 2024 May 6];3(5):53-66. Available from: https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/449