Kochukhov, O.; et al. (October 2021), "TESS survey of rotational and pulsational variability of mercury-manganese stars", Monthly Notices of the Royal Astronomical Society, 506 (4): 5328–5344, arXiv:2107.09096, Bibcode:2021MNRAS.506.5328K, doi:10.1093/mnras/stab2107.
Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Kochukhov, O.; et al. (October 2021), "TESS survey of rotational and pulsational variability of mercury-manganese stars", Monthly Notices of the Royal Astronomical Society, 506 (4): 5328–5344, arXiv:2107.09096, Bibcode:2021MNRAS.506.5328K, doi:10.1093/mnras/stab2107.
Ryabchikova, T. A.; et al. (December 1996), "Elemental abundance analyses with DAO spectrograms - XIV. The double-lined spectroscopic binary 112 Herculis", Monthly Notices of the Royal Astronomical Society, 283 (4): 1115–1132, Bibcode:1996MNRAS.283.1115R, doi:10.1093/mnras/283.4.1115.
Osawa, Kiyoteru (July 1959), "Spectral Classification of 533 B8-A2 Stars and the Mean Absolute Magnitude of A0 V Stars", Astrophysical Journal, 130: 159, Bibcode:1959ApJ...130..159O, doi:10.1086/146706.
Sargent, Wallace L. W.; Searle, Leonard (September 1962), "Studies of the Peculiar A Stars. I. The Oxygen-Abundance Anomaly", Astrophysical Journal, 136: 408, Bibcode:1962ApJ...136..408S, doi:10.1086/147393.
Cowley, C. R.; Aikman, G. C. L. (August 1975), "A study of the lambda 3984 feature in the mercury-manganese stars", Publications of the Astronomical Society of the Pacific, 87: 513–521, Bibcode:1975PASP...87..513C, doi:10.1086/129801, S2CID121306556.
Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
Kochukhov, O.; et al. (October 2021), "TESS survey of rotational and pulsational variability of mercury-manganese stars", Monthly Notices of the Royal Astronomical Society, 506 (4): 5328–5344, arXiv:2107.09096, Bibcode:2021MNRAS.506.5328K, doi:10.1093/mnras/stab2107.
Ryabchikova, T. A.; et al. (December 1996), "Elemental abundance analyses with DAO spectrograms - XIV. The double-lined spectroscopic binary 112 Herculis", Monthly Notices of the Royal Astronomical Society, 283 (4): 1115–1132, Bibcode:1996MNRAS.283.1115R, doi:10.1093/mnras/283.4.1115.
Osawa, Kiyoteru (July 1959), "Spectral Classification of 533 B8-A2 Stars and the Mean Absolute Magnitude of A0 V Stars", Astrophysical Journal, 130: 159, Bibcode:1959ApJ...130..159O, doi:10.1086/146706.
Sargent, Wallace L. W.; Searle, Leonard (September 1962), "Studies of the Peculiar A Stars. I. The Oxygen-Abundance Anomaly", Astrophysical Journal, 136: 408, Bibcode:1962ApJ...136..408S, doi:10.1086/147393.
Cowley, C. R.; Aikman, G. C. L. (August 1975), "A study of the lambda 3984 feature in the mercury-manganese stars", Publications of the Astronomical Society of the Pacific, 87: 513–521, Bibcode:1975PASP...87..513C, doi:10.1086/129801, S2CID121306556.
Cowley, C. R.; Aikman, G. C. L. (August 1975), "A study of the lambda 3984 feature in the mercury-manganese stars", Publications of the Astronomical Society of the Pacific, 87: 513–521, Bibcode:1975PASP...87..513C, doi:10.1086/129801, S2CID121306556.