Col Reference --- --------- R1 McSwain M.V., Gies D.R., 2005, ApJS 161, 118 R2 Vogt N., Moffat A.F.J., 1972, Astron. Astrophys. Suppl 7, 133 Back to the form
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R1 McSwain M.V., Gies D.R., 2005, ApJS 161, 118
R2 Vogt N., Moffat A.F.J., 1972, Astron. Astrophys. Suppl 7, 133