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Gribbin, J. Seyfert galaxies and QSOs. Nature 263, 279 (1976). https://doi.org/10.1038/263279a0
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DOI: https://doi.org/10.1038/263279a0
Nature volume 263, page 279 (1976)
Gribbin, J. Seyfert galaxies and QSOs. Nature 263, 279 (1976). https://doi.org/10.1038/263279a0
Issue Date:
DOI: https://doi.org/10.1038/263279a0