Col Reference --- --------- R1 Fitzgerald M.P., Moffat A.F.J. 1975, Astron. Astrophys. Supp. 20, 289 R2 Lindoff U., Johansson K. 1968, Ark. Astr. 5, 45 R3 McSwain M.V., Gies D.R., 2005, ApJS 161, 118 Back to the form
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R1 Fitzgerald M.P., Moffat A.F.J. 1975, Astron. Astrophys. Supp. 20, 289
R2 Lindoff U., Johansson K. 1968, Ark. Astr. 5, 45
R3 McSwain M.V., Gies D.R., 2005, ApJS 161, 118