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British Standard for Photographic Lenses. Nature 165, 385 (1950). https://doi.org/10.1038/165385b0
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DOI: https://doi.org/10.1038/165385b0
Nature volume 165, page 385 (1950)
British Standard for Photographic Lenses. Nature 165, 385 (1950). https://doi.org/10.1038/165385b0
Issue Date:
DOI: https://doi.org/10.1038/165385b0