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The Satellite Echo 1 (1960 l). Nature 187, 741 (1960). https://doi.org/10.1038/187741c0
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DOI: https://doi.org/10.1038/187741c0
Nature volume 187, page 741 (1960)
The Satellite Echo 1 (1960 l). Nature 187, 741 (1960). https://doi.org/10.1038/187741c0
Issue Date:
DOI: https://doi.org/10.1038/187741c0