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Electronics Letters . Nature 206, 987 (1965). https://doi.org/10.1038/206987d0
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DOI: https://doi.org/10.1038/206987d0
Nature volume 206, page 987 (1965)
Electronics Letters . Nature 206, 987 (1965). https://doi.org/10.1038/206987d0
Issue Date:
DOI: https://doi.org/10.1038/206987d0