LAKHAN, Mandeep; HEISS, Helmut. An Optional Instrument for European Insurance Contract Law. Utrecht Journal of International and European Law, Utrecht, v. 26, n. 71, p. 1–11, 2010. DOI: 10.5334/ujiel.v26i71.1. Disponível em: https://utrechtjournal.org/article/view/25918.. Acesso em: 4 apr. 2026.