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15th Session of the General Assembly of IUCN and 15th IUCN Technical Meeting
International Union for Conservation of Nature and Natural Resources. General Assembly
其他書名
Christchurch, New Zealand, 11-23 October 1981 : Proceedings
出版IUCN, 1983
ISBN288032064X9782880320645
URLhttp://books.google.com.hk/books?id=aDTGmZ5YAhUC&hl=&source=gbs_api