Hełminiak, K.G.; et al. (2012-01-11), “New high-precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis”, Monthly Notices of the Royal Astronomical Society419 (2): 1285-1293, Bibcode: 2012MNRAS.419.1285H, doi:10.1111/j.1365-2966.2011.19785.x
Hełminiak, K.G.; et al. (2012-01-11), “New high-precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis”, Monthly Notices of the Royal Astronomical Society419 (2): 1285-1293, Bibcode: 2012MNRAS.419.1285H, doi:10.1111/j.1365-2966.2011.19785.x