Carl Keenan Seyfert

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1Unbarred spiral galaxies / Seyfert galaxies / NGC objects / Astronomers / Carl Keenan Seyfert / Galaxy / Active galactic nucleus / European Southern Observatory / Messier 77 / Astronomy / Extragalactic astronomy / Spiral galaxies

Observer Vol 26 No. 1d.pub

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Source URL: www.fpoa.net

Language: English - Date: 2010-01-15 19:13:25
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