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Conservation Directory 1980
Frederick R. ScrogginThomas L. Kimball
其他書名
A List of Organizations, Agencies and Officials Concerned with Natural Resource Use and Management
出版National Wildlife Federation, 1980
ISBN09121863489780912186344
URLhttp://books.google.com.hk/books?id=VGKwMQEACAAJ&hl=&source=gbs_api