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Photographic Science. Nature 177, 360 (1956). https://doi.org/10.1038/177360a0
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DOI: https://doi.org/10.1038/177360a0
Nature volume 177, page 360 (1956)
Photographic Science. Nature 177, 360 (1956). https://doi.org/10.1038/177360a0
Issue Date:
DOI: https://doi.org/10.1038/177360a0