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Royal Photographic Society : Annual Exhibition. Nature 170, 406 (1952). https://doi.org/10.1038/170406b0
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DOI: https://doi.org/10.1038/170406b0
Nature volume 170, page 406 (1952)
Royal Photographic Society : Annual Exhibition. Nature 170, 406 (1952). https://doi.org/10.1038/170406b0
Issue Date:
DOI: https://doi.org/10.1038/170406b0