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The Knights' Move. Nature 221, 109 (1969). https://doi.org/10.1038/221109a0
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DOI: https://doi.org/10.1038/221109a0
Nature volume 221, page 109 (1969)
The Knights' Move. Nature 221, 109 (1969). https://doi.org/10.1038/221109a0
Issue Date:
DOI: https://doi.org/10.1038/221109a0