McClure, Robert D.; Woodsworth, A. W. (April 1, 1990), "The binary nature of the barium and CH stars. III - Orbital parameters", Astrophysical Journal, Part 1, 352: 709–723, Bibcode:1990ApJ...352..709M, doi:10.1086/168573.
McClure, Robert D.; Woodsworth, A. W. (April 1, 1990), "The binary nature of the barium and CH stars. III - Orbital parameters", Astrophysical Journal, Part 1, 352: 709–723, Bibcode:1990ApJ...352..709M, doi:10.1086/168573.