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Variability of OJ 287. Nature 234, 125 (1971). https://doi.org/10.1038/234125b0
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DOI: https://doi.org/10.1038/234125b0
Nature volume 234, page 125 (1971)
Variability of OJ 287. Nature 234, 125 (1971). https://doi.org/10.1038/234125b0
Issue Date:
DOI: https://doi.org/10.1038/234125b0