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Shaya, Ed J.; Olling, Rob P. (January 2011), «Very Wide Binaries and Other Comoving Stellar Companions: A Bayesian Analysis of the Hipparkos Catalogue», The Astrophysical Journal Supplement192 (1): 2, Bibcode:2011ApJS..192....2S, arXiv:1007.0425, doi:10.1088/0067-0049/192/1/2