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Improvements in Long-Distance Telephony . Nature 93, 150–153 (1914). https://doi.org/10.1038/093150a0
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DOI: https://doi.org/10.1038/093150a0
Nature volume 93, pages 150–153 (1914)
Improvements in Long-Distance Telephony . Nature 93, 150–153 (1914). https://doi.org/10.1038/093150a0
Issue Date:
DOI: https://doi.org/10.1038/093150a0