Fernández Vera, William Armando, Reinel Corzo, and Néstor Fernando Saavedra. “Selection of OBM Salinity through Effective Osmotic Pressure Evaluation in Carbonera Shale for Colombian Foothills”. CT&F - Ciencia, Tecnología y Futuro 4, no. 1 (June 30, 2010): 23–37. Accessed October 1, 2022. https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/436.