1. Multinational Enterprises and the Global Economy;Dunning,1993
2. Environmental consequences of deep-sea mining;Thiel;International Challenges,1993
3. United States Law of the Sea Policy and strategic mineral supply problem;Anderson,1991
4. UN. (1983) The Law of the Sea: United Nations Convention on the Law of the Sea, 1983.
5. UN. Sea-Bed Mineral Resource Development. Department of International and Social Affairs, 1982.