FERREIRA DIAS, M. Iberian Electricity Market spot and futures prices: comovement and lead-lag relationship analysis. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 19, p. 59–68, 2019. DOI: 10.5278/ijsepm.2019.19.6. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/1952. Acesso em: 5 may. 2024.