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National Foundation for Scientific Research, Belgium. Nature 191, 441 (1961). https://doi.org/10.1038/191441b0
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DOI: https://doi.org/10.1038/191441b0
Nature volume 191, page 441 (1961)
National Foundation for Scientific Research, Belgium. Nature 191, 441 (1961). https://doi.org/10.1038/191441b0
Published:
Issue Date:
DOI: https://doi.org/10.1038/191441b0