and Radial Velocity Data. Publications of the Astronomical Society of the Pacific. 2002, 114 (792): 224–228. Bibcode:2002PASP..114..224H. S2CID 122100081
et al, Confirmation of the planet hypothesis for the long-period radial velocity variations of β Geminorum, Astronomy and Astrophysics, 2006, 457: 335–341