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Progress in Gamma-ray Astronomy. Nature 241, 169 (1973). https://doi.org/10.1038/241169a0
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DOI: https://doi.org/10.1038/241169a0
Nature volume 241, page 169 (1973)
Progress in Gamma-ray Astronomy. Nature 241, 169 (1973). https://doi.org/10.1038/241169a0
Published:
Issue Date:
DOI: https://doi.org/10.1038/241169a0