International Union for the Conservation of Nature and Natural Resources, Commission on Education. Report of steering committee and Commission meetings, Christchurch, New Zealand, 9-23 October 1981
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International Union for the Conservation of Nature and Natural Resources, Commission on Education. Report of steering committee and Commission meetings, Christchurch, New Zealand, 9-23 October 1981
International Union for Conservation of Nature and Natural Resources, Commission on Education Steering Committee and Commission Meetings, Christchurch, NZ, 9-23 October 1981, 1981-10-09