1
Facts about global warming : rational or emotional issue? /
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2
Impact of carbon dioxide, trace gases, and climate change on global agriculture : proceedings of a symposium ... Anaheim, Calif., 1 December 1988 /
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3
Non-CO2 greenhouse gases : why and how to control? : Proceedings of an international symposium [ Non-CO2 Greenhouse Gases], Maastricht, The Netherlands, 13-15 December 1993 /
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