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Ayres، Thomas R.؛ Brown، Alexander؛ Harper، Graham M. (يوليو 2005). "Chandra Observations of Coronal Emission from the Early G Supergiants α and β Aquarii". The Astrophysical Journal. ج. 627 ع. 1: L53–L56. Bibcode:2005ApJ...627L..53A. DOI:10.1086/431977.
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