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Optical Society of America: Annual Meeting. Nature 173, 1170 (1954). https://doi.org/10.1038/1731170b0
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DOI: https://doi.org/10.1038/1731170b0
Nature volume 173, page 1170 (1954)
Optical Society of America: Annual Meeting. Nature 173, 1170 (1954). https://doi.org/10.1038/1731170b0
Issue Date:
DOI: https://doi.org/10.1038/1731170b0