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| A Ricardian analysis of the impact of climate change on African cropland P Kurukulasuriya, R Mendelsohn The World Bank, 2007 | 423 | 2007 |
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| Ecosystems and human well-being-Synthesis: A Report of the Millennium Ecosystem Assessment WV Reid, HA Mooney, A Cropper, D Capistrano, SR Carpenter, K Chopra, ... Island Press, 2005 | 249 | 2005 |
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