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Age Structure in the Engineering Industry. Nature 182, 430 (1958). https://doi.org/10.1038/182430e0
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DOI: https://doi.org/10.1038/182430e0
Nature volume 182, page 430 (1958)
Age Structure in the Engineering Industry. Nature 182, 430 (1958). https://doi.org/10.1038/182430e0
Issue Date:
DOI: https://doi.org/10.1038/182430e0