Col Reference --- --------- R1 Giorgi E.E., et al. 2005, Astron. Astrophys. 432, 491 R2 Fitzgerald M.P., et al. 1979, Astron. Astrophys. Suppl. 37,351 Back to the form
--- ---------
R1 Giorgi E.E., et al. 2005, Astron. Astrophys. 432, 491
R2 Fitzgerald M.P., et al. 1979, Astron. Astrophys. Suppl. 37,351