Urquizu Cavallé, Ángel. “Tax Obligations Arising from the Importation of Goods into the European Union: Artificial Intelligence and Environmental Protection”. Review of International and European Economic Law 1, no. 1 (February 28, 2022): 123–138. Accessed July 1, 2025. https://rieel.com/index.php/rieel/article/view/1.