^ abEggenberger, A.; et al. (2007-10), “The impact of stellar duplicity on planet occurrence and properties. I. Observational results of a VLT/NACO search for stellar companions to 130 nearby stars with and without planets”, Astronomy and Astrophysics474 (1): 273-291, Bibcode: 2007A&A...474..273E, doi:10.1051/0004-6361:20077447
^ abcMugrauer, M.; Seifahrt, A.; Neuhäuser, R. (2007-07), “The multiplicity of planet host stars – new low-mass companions to planet host stars”, Monthly Notices of the Royal Astronomical Society378 (4): 1328-1334, Bibcode: 2007MNRAS.378.1328M, doi:10.1111/j.1365-2966.2007.11858.x