Col Reference --- --------- R1 Moffat A.F.J., Vogt N. 1973, Astron. Astrophys. Suppl. 10, 135 R2 Delgado A.J. et al. 2007, Astron. Astrophys. 467, 1397 Back to the form
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R1 Moffat A.F.J., Vogt N. 1973, Astron. Astrophys. Suppl. 10, 135
R2 Delgado A.J. et al. 2007, Astron. Astrophys. 467, 1397