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doi.org
dx.doi.org
John AsherJ.A.JohnsonJohn AsherJ.A. i inni, Retired A Stars and Their Companions: Eighteen New Jovian Planets, „[[The Astrophysical Journal]] Supplement Series”, 197, 2011, s. 26, DOI: 10.1088/0067-0049/197/2/26, arXiv:1108.4205(ang.).
exoplanet.eu
HD 152581 w serwisie The Extrasolar Planets Encyclopaedia (ang.)