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ISBN : 288032064X總數: gridview
Proceedings
作者
International Union for Conservation of Nature and Natural Resources. General Assembly
出版1983
ISBN
CORNELL:31924052766395
主題
Conservation of natural resources
Papers
作者
International Union for Conservation of Nature and Natural Resources. Technical Meeting
出版1983
ISBN
STANFORD:36105002941578
主題
National monuments
15th Session of the General Assembly of IUCN and 1...
作者
International Union for Conservation of Nature and Natural Resources. General Assembly
出版IUCN, 1983
ISBN
9782880320645 / 288032064X
主題
Conservation of natural resources