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Hughes, D. Apollo asteroid Helin. Nature 260, 665 (1976). https://doi.org/10.1038/260665a0
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DOI: https://doi.org/10.1038/260665a0
Nature volume 260, page 665 (1976)
Hughes, D. Apollo asteroid Helin. Nature 260, 665 (1976). https://doi.org/10.1038/260665a0
Issue Date:
DOI: https://doi.org/10.1038/260665a0