Schmitt JHMM, Fleming TA, Giampapa MS. The X-ray view of the low-mass stars in the solar neighborhood. Ap J. September 1995, 450 (9): 392–400. Bibcode:1995ApJ...450..392S. doi:10.1086/176149.
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Baize, P. Orbital elements of eighteen visual double stars. Astronomy and Astrophysics, Supplemental Series. October 1976, 26: 177–193. Bibcode:1976A&AS...26..177B. Listed as ADS 11632.
Schmitt JHMM, Fleming TA, Giampapa MS. The X-ray view of the low-mass stars in the solar neighborhood. Ap J. September 1995, 450 (9): 392–400. Bibcode:1995ApJ...450..392S. doi:10.1086/176149.