Carvajal Jiménez, J. M.; Valera Lara, L. C.; Rueda, A.; Saavedra Trujillo, N. F. Geomechanical Wellbore Stability Modeling of Exploratory Wells – Study Case at Middle Magdalena Basin. CT&F Cienc. Tecnol. Futuro 2007, 3, 85-102.