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Shapley, D. US degrees: Doctoral decline. Nature 299, 4–5 (1982). https://doi.org/10.1038/299004c0
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DOI: https://doi.org/10.1038/299004c0
Nature volume 299, pages 4–5 (1982)
Shapley, D. US degrees: Doctoral decline. Nature 299, 4–5 (1982). https://doi.org/10.1038/299004c0
Published:
Issue Date:
DOI: https://doi.org/10.1038/299004c0