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Students' Living. Nature 215, 1118 (1967). https://doi.org/10.1038/2151118a0
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DOI: https://doi.org/10.1038/2151118a0
Nature volume 215, page 1118 (1967)
Students' Living. Nature 215, 1118 (1967). https://doi.org/10.1038/2151118a0
Issue Date:
DOI: https://doi.org/10.1038/2151118a0