CUNHA, M.; RICHTER, C. Impact of climate dynamics on cyclical properties of wine production in Douro region using time-frequency approach. Journal of Economics Library, [S. l.], v. 6, n. 2, p. 56–82, 2019. Disponível em: https://journals.econsciences.com/index.php/JEL/article/view/1892. Acesso em: 7 feb. 2026.