Ocean Planet: Reference Note
[34] Tolba and El-Kholy, ed. The World Environment, 1972-1992.
United National Environment Programme/Chapman & Hall, London.
1992. p.766.
Elliott A. Norse, ed. Global Marine Biological Diversity. A
Strategy for Building Conservation into Decision Making. Island
Press. Washington, DC. 1993. 249 pp.
World Resources Institute. World Resources 1992-93. Oxford
University Press, New York. 1992. p.190.