1. Geologia de la Cordillera Central y el occidente Colombiano y petroquimica de los intrusivos granitoides Mesocenozoicos;Alvarez;Boletin Geologico,1983
2. Geometrical control of subduction-related magmatism: the Mesozoic and Cenozoic plutonic history of Western Colombia;Aspden;Journal of the Geological Society London,1987
3. Actividad ignea y tectónica en la Cordillera Central durante el Meso-Cenozoico;Barrero;Boletin Geologico,1969
4. Petrogenetic interpretation of granitoide rock series using multicationic parameters;Batchelor;Chemical Geology,1985
5. Age et repartition du magmatisme Premesozoique des Andes de Colombie. Comptes rendus hebdomadaires des séances de l'Académie des Sciences;Boinet;Serie D: Sciences Naturelles,1985