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Scottish Field Studies Association. Nature 189, 713 (1961). https://doi.org/10.1038/189713d0
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DOI: https://doi.org/10.1038/189713d0
Nature volume 189, page 713 (1961)
Scottish Field Studies Association. Nature 189, 713 (1961). https://doi.org/10.1038/189713d0
Issue Date:
DOI: https://doi.org/10.1038/189713d0