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Gordon, Courtney P. The Absolute Magnitudes of Carbon Stars. Publications of the Astronomical Society of the Pacific. 1968, 80: 597. Bibcode:1968PASP...80..597G. doi:10.1086/128694.
Sahai, R.; Findeisen, K.; Gil De Paz, A.; Sánchez Contreras, C. Binarity in Cool Asymptotic Giant Branch Stars: A GALEX Search for Ultraviolet Excesses. The Astrophysical Journal. 2008, 689 (2): 1274–1278. Bibcode:2008ApJ...689.1274S. doi:10.1086/592559.
Watson, Christopher. V Hydrae. The International Variable Star Index. American Association of Variable Star Observers. 2010-01-04 [2016-10-12]. (原始内容存档于2020-08-13).