1. Geothermal handbook: Planning and Financing Power Generation;Gehringer,2012
2. J.A.O. González, J.L. Palacio, Wellhead power plants, an option to enhance the “Macizo Volcánico del Ruiz” Geothermal Project. Proceedings World Geothermal Congress 2020+1 (2021).
3. LaGeo, Proyecto Geotérmico Valle de Nereidas, Colombia: Revisión e integración del modelo conceptual para determinar puntos de perforación. Internal inform CHEC-EPM group (2016).
4. Dewhurst Group, 2016. Appendix 10 Economic Impact Assessment. Geothermal Resource Assessment. Internal inform CHEC-EPM group.
5. C. Alfaro, Improvement of Perception of the Geothermal Energy as a Potential Source of Electrical Energy in Colombia, Country Update. Proceedings, World Geothermal Congress 2015 (2015).