Col Reference --- --------- R1 Shorlin S.L., et al. 2004, Publ. Astron. Soc. Pacific 116, 170 R2 Carraro G., Costa E. 2009, Astron. Astrophys. 493, 71 Back to the form
--- ---------
R1 Shorlin S.L., et al. 2004, Publ. Astron. Soc. Pacific 116, 170
R2 Carraro G., Costa E. 2009, Astron. Astrophys. 493, 71