1.
図書 |
Robert Macfarlane
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2.
図書 |
edited by John N. Kittinger ... [et al.]
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3.
雑誌 |
Worldwatch Institute
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4.
図書 |
Al Gore
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5.
図書 |
Bjørn Lomborg
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6.
図書 |
Daniel Quinn
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7.
図書 |
edited by Robert U. Ayres, Kenneth Button and Peter Nijkamp
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8.
図書 |
edited by Bryan Cartledge
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9.
図書 |
Robert J. Whittaker
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10.
図書 |
Daniel G. Bates
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