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Courses supported by the U.S. National Science Foundation. Nature 197, 543 (1963). https://doi.org/10.1038/197543c0
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DOI: https://doi.org/10.1038/197543c0
Nature volume 197, page 543 (1963)
Courses supported by the U.S. National Science Foundation. Nature 197, 543 (1963). https://doi.org/10.1038/197543c0
Issue Date:
DOI: https://doi.org/10.1038/197543c0