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2. Atmospheric carbon dioxide concentration and the observed airborne fraction;Bacastow,1981
3. Environmentally appropriate, sustainable small-farm strategies for Amazonia;Barrow,1990
4. The development of a sustained yield tropical agro-ecosystem in the upper Amazon;Bishop;Agroecosystem,1978
5. The storage and production of organic matter in tropical forests and their role in the global carbon cycle;Brown;Biotropica,1984