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The National Science Foundation, Washington: Annual Report. Nature 190, 494 (1961). https://doi.org/10.1038/190494a0
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DOI: https://doi.org/10.1038/190494a0
Nature volume 190, page 494 (1961)
The National Science Foundation, Washington: Annual Report. Nature 190, 494 (1961). https://doi.org/10.1038/190494a0
Issue Date:
DOI: https://doi.org/10.1038/190494a0