(1992). Code of practice for the conservation of threatened animals and plants and other species of international significance: As adopted by the senior advisers to ECE governments on environmental and water problems at their fifth session in March 1992. New York: United Nations.

Code of Practice for the Conservation of Threatened Animals and Plants and Other Species of International Significance: As Adopted By the Senior Advisers to ECE Governments On Environmental and Water Problems At Their Fifth Session in March 1992. New York: United Nations, 1992.

Code of Practice for the Conservation of Threatened Animals and Plants and Other Species of International Significance: As Adopted By the Senior Advisers to ECE Governments On Environmental and Water Problems At Their Fifth Session in March 1992. New York: United Nations, 1992.