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The Library Association. Nature 198, 340 (1963). https://doi.org/10.1038/198340a0
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DOI: https://doi.org/10.1038/198340a0
Nature volume 198, page 340 (1963)
The Library Association. Nature 198, 340 (1963). https://doi.org/10.1038/198340a0
Issue Date:
DOI: https://doi.org/10.1038/198340a0