Energy use and carbon dioxide emissions from cropland production in the United States, 1990-2004.
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Chad M. Hellwinckel | G. Marland | T. West | D. G. de la Torre Ugarte | R. Nelson | C. Hellwinckel | C. Brandt
暂无分享,去创建一个
Chad M. Hellwinckel | G. Marland | T. West | D. G. de la Torre Ugarte | R. Nelson | C. Hellwinckel | C. Brandt