The Belize barrier reef ecosystem : an assessment of its resources, conservation status and management 1983 Perkins, Judith S. |
Marine parks for Tanzania : results of a survey of the coast of Tanzania by invitation of the trustees of Tanzania national parks 1968 Ray, G. Carleton |
Action plan for conservation of rhinos in Africa based on results of the IUCN/NYZS/WWF African rhino survey 1981