scientific article published on 01 March 1988

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scientific article published in Physical Review Letters

scientific article published in Physical Review Letters

scientific article published in Physical Review Letters

scientific article

scientific article published in Physical Review Letters

scientific article published on 01 December 1987

scientific article published in Physical Review Letters

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scientific article published in Physical Review Letters

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scientific article published in Physical Review Letters

scientific article published in Physical Review Letters

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scientific article (publication date: October 1984)

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scholarly article

article from Scientific American published in June 1971

article published in 1989

warning by scientists about carbon footprint of humanity