KILIAN, N. Technical Municipal Radius Clause Interpretations to Avoid Coronavirus Liability and Perspectives from the OECD and Vienna Convention on the Law of Treaties 1969—Guardrisk Insurance Limited v Café Chameleon CC (case no 632/20) [2020] ZASCA 173 . South African Yearbook of International Law, [S. l.], v. 45, p. 18 pages, 2020. DOI: 10.25159/2521-2583/9519. Disponível em: https://unisapressjournals.co.za/index.php/SAYIL/article/view/9519. Acesso em: 2 may. 2024.