30) The Doctrine of &quot; Mare Clausum &quot; and the Third United Nations Conference on the Law of the Sea, en Instituto Universitario de Altos Estudios Internacionales, Les relations internationales dans un monde en mutation, Leyde, Sijthoff, 1977, págs. 197 a 228.
30) The Doctrine of &quot; Mare Clausum &quot; and the Third United Nations Conference on the Law of the Sea, in: Institut universitaire de hautes йtudes internationales, Les relations internationales dans un monde en mutation, Leyde, Sijthoff, 1977, pp. 197 - 228.