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RAVETZ, J. Facts. Nature 254, 176 (1975). https://doi.org/10.1038/254176a0
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DOI: https://doi.org/10.1038/254176a0
Nature volume 254, page 176 (1975)
RAVETZ, J. Facts. Nature 254, 176 (1975). https://doi.org/10.1038/254176a0
Issue Date:
DOI: https://doi.org/10.1038/254176a0