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How much coal?. Nature 280, 261 (1979). https://doi.org/10.1038/280261a0
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DOI: https://doi.org/10.1038/280261a0
Nature volume 280, page 261 (1979)
How much coal?. Nature 280, 261 (1979). https://doi.org/10.1038/280261a0
Issue Date:
DOI: https://doi.org/10.1038/280261a0