Urrego A, L., Medina H., S., Heliodore, F., Ismail, B., Poullain, S. and Courbon, E. 2014. An analysis of long range spot price correlation in the Colombian electrical energy market. Cuadernos de Administración. 27, 48 (Jun. 2014), 153–182. DOI:https://doi.org/10.11144/Javeriana.cao27-48.aclp.