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  1. 1
    由 Constanza, Robert
    出版 1989
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    What is ecological economics?
  2. 2
    由 Huang, Bingwei
    出版 1989
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    Amelioration of slopeland utilization in South China significance and feasibility
  3. 3
    由 Blaikie, Piers
    出版 1989
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    Environment and access to resources in Africa
  4. 4
    由 Pimentel, David, Allen, J.
    出版 1987
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    World agriculture and soil erosion erosion threatens world food production
  5. 5
    由 Catton, William R. Jr
    出版 1987
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    The world's most polymorphic species carrying capacity transgressed two ways
  6. 6
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    Global sustainability toward definition : forum
  7. 7
    由 Aldag, R.
    出版 1987
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    Simple and diversified crop rotations-approach and insight into agroecosystems
  8. 8
    由 Charlton, Clive A.
    出版 1987
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    Problems and protests for sustainable agricultural systems in the humid tropics
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