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The Field Studies Council. Nature 177, 463 (1956). https://doi.org/10.1038/177463c0
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DOI: https://doi.org/10.1038/177463c0
Nature volume 177, page 463 (1956)
The Field Studies Council. Nature 177, 463 (1956). https://doi.org/10.1038/177463c0
Issue Date:
DOI: https://doi.org/10.1038/177463c0