452; Yves Sandoz, “The Establishment of Safety Zones for Persons Displaced Within Their Country of Origin”, and Leonardo Franco, , “An Examination of Safety Zones for Internally Displaced Persons as a Contribution Toward Pervention and Solution of Refugee Problems”, in International Legal Issues Arising Under the United Nations Decade of International Law (The Hague: Martinus Nijhoff, 1995), pp.