Tisserand; Clayton; Welch; Pilecki; Wyrzykowski; Kilkenny (2012). "The ongoing pursuit of R Coronae Borealis stars: ASAS-3 survey strikes again". arXiv:1211.2475v2 [astro-ph.SR]。
doi.org
Clayton, Geoffrey C. (1996). “The R Coronae Borealis Stars”. Publications of the Astronomical Society of the Pacific108: 225. doi:10.1086/133715. ISSN0004-6280.
Hema, B. P.; Pandey, Gajendra; Lambert, David L. (2012). “THE GALACTIC R CORONAE BOREALIS STARS: THE C2SWAN BANDS, THE CARBON PROBLEM, AND THE12C/13C RATIO”. The Astrophysical Journal747 (2): 102. doi:10.1088/0004-637X/747/2/102. ISSN0004-637X.
worldcat.org
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Clayton, Geoffrey C. (1996). “The R Coronae Borealis Stars”. Publications of the Astronomical Society of the Pacific108: 225. doi:10.1086/133715. ISSN0004-6280.
Hema, B. P.; Pandey, Gajendra; Lambert, David L. (2012). “THE GALACTIC R CORONAE BOREALIS STARS: THE C2SWAN BANDS, THE CARBON PROBLEM, AND THE12C/13C RATIO”. The Astrophysical Journal747 (2): 102. doi:10.1088/0004-637X/747/2/102. ISSN0004-637X.