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doi.org
dx.doi.org
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Trifonov, T.; et al. (junho de 2017). «Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU». Astronomy & Astrophysics. 602: L8, 5 pp. Bibcode:2017A&A...602L...8T. doi:10.1051/0004-6361/201731044
harvard.edu
ui.adsabs.harvard.edu
Moutou, C.; et al. (2005). «The HARPS search for southern extra-solar planets IV. Three close-in planets around HD 2638, HD 27894 and HD 63454». Astronomy and Astrophysics. 439 (1): 367–373. Bibcode:2005A&A...439..367M. doi:10.1051/0004-6361:20052826
Trifonov, T.; et al. (junho de 2017). «Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU». Astronomy & Astrophysics. 602: L8, 5 pp. Bibcode:2017A&A...602L...8T. doi:10.1051/0004-6361/201731044