Col Reference --- --------- R1 Piatti A.E., Claria J.J. 2001, Astron. Astrophys. 370, 931 R2 Moffat A.F.J., Fitzgerald P.M. 1977, Astron. Astrophys. 54,263 Back to the form
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R1 Piatti A.E., Claria J.J. 2001, Astron. Astrophys. 370, 931
R2 Moffat A.F.J., Fitzgerald P.M. 1977, Astron. Astrophys. 54,263