Díaz, I., A. Mojica Ábrego, C. Ho, R. Pinzón, J. Fábrega, E. Vallester, D. Vega, F. Ogden, y J. Hendrickx. Characterization of Shallow Groundwater in Eocene Sediments of Panama Canal Watershed Using Electrical Techniques. I+D Tecnológico, Vol. 8, n.º 1, 1, pp. 33-42, https://revistas.utp.ac.pa/index.php/id-tecnologico/article/view/97.