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Astronomy Data: Living with Ap. J.. Nature 221, 1093 (1969). https://doi.org/10.1038/2211093a0
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DOI: https://doi.org/10.1038/2211093a0
Nature volume 221, page 1093 (1969)
Astronomy Data: Living with Ap. J.. Nature 221, 1093 (1969). https://doi.org/10.1038/2211093a0
Issue Date:
DOI: https://doi.org/10.1038/2211093a0