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Under Siege: Man, Men, and Earth

Kenneth Allan WagnerPaul Clinton BaileyGlenn H. Campbell

出版	Intext Educational Publishers, 1973
主題	Nature / EcologyScience / Life Sciences / EcologyScience / Environmental Science
ISBN	07002243439780700224340
URL	http://books.google.com.hk/books?id=S8-1AAAAIAAJ&hl=&source=gbs_api