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A.A.WyttenbachA.A. i inni, Mass loss rate and local thermodynamic state of KELT-9 b thermosphere from the hydrogen Balmer series, „Astronomy & Astrophysics”, 638, 2020, A87, DOI: 10.1051/0004-6361/201937316, ISSN0004-6361, arXiv:2004.13733 [dostęp 2020-08-03].