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Energy: Last Hope for Coal. Nature 221, 795–796 (1969). https://doi.org/10.1038/221795b0
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DOI: https://doi.org/10.1038/221795b0
Nature volume 221, pages 795–796 (1969)
Energy: Last Hope for Coal. Nature 221, 795–796 (1969). https://doi.org/10.1038/221795b0
Issue Date:
DOI: https://doi.org/10.1038/221795b0