KELLY-LOUW, Michelle; LUPTON, Cayle. Emergence of Illegality in the Underlying Contract as an Exception to the Independence Principle of Demand Guarantees. Comparative and International Law Journal of Southern Africa, [S. l.], v. 53, n. 3, p. 37 pages, 2021. DOI: 10.25159/2522-3062/8077. Disponível em: https://www.unisapressjournals.co.za/index.php/CILSA/article/view/8077. Acesso em: 13 nov. 2025.