WHO -Geneva, CH, World Health Organization, World Meteorological Organization -Geneva, CH, WMO, FAO -Rome, IT, UNEP -Nairobi, KE, United Nations -New York, NY, US, International Atomic Energy Agency -Vienna, AT, International Maritime Organisation -London, GB, y Intergovernmental Oceanographic Commission -Paris, FR, GESAMP (IMO/FAO/UNESCO-IOC/WMO/IAEA/UN/UNEP Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection : A sea of troubles, vol. no. 70. Washington, DC, USA: UNEP, United Nations Environment Programme, 2001, p. 35 p. : tabs.